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What is the largest integer ever used in a mathematical proof?

Googolplex
Googol
Graham's number
Centillion
Graham's number is an enormous number that arises as an upper bound on the answer of a problem in the mathematical field of Ramsey theory. The number was published in the 1980 Guinness Book of World Records, adding to its popular interest.
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Answers by country

Googolplex
Googol
Graham's number
Centillion
answers
flagAustralia
0%
8%
84%
8%
25
flagPakistan
8%
8%
83%
0%
12
flagGhana
8%
16%
66%
8%
12
flagRepublic of Ireland
0%
35%
64%
0%
14
flagthe United States
16%
24%
52%
6%
109
flagGreece
13%
18%
50%
18%
22
flagIndia
17%
29%
46%
5%
79
flagAustria
29%
26%
41%
2%
75
flagthe United Kingdom
21%
28%
41%
8%
73
flagSpain
0%
60%
40%
0%
10
flagGermany
30%
26%
38%
3%
497
flagthe Netherlands
20%
30%
35%
15%
20
flagCanada
14%
21%
35%
28%
14
flagPoland
12%
37%
34%
15%
6366
flagSwitzerland
20%
33%
33%
9%
53
flagFrance
38%
23%
30%
7%
13
flagEstonia
30%
60%
10%
0%
10

Which number is considered unlucky in East Asia?

3
4
12
40

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octal
binary
decimal
sexagesimal

What is the sum of all the numbers on the roulette wheel?

600
666
783
1000

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