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12910468757 is a prime number
BaseRepresentation
bin11000000011000011…
…00001111010010101
31020022202022202200112
430001201201322111
5202420040000012
65533032052405
7634635113414
oct140141417225
936282282615
1012910468757
11552569429a
122603834105
1312a9985234
148a690147b
15508669122
hex301861e95

12910468757 has 2 divisors, whose sum is σ = 12910468758. Its totient is φ = 12910468756.

The previous prime is 12910468741. The next prime is 12910468789. The reversal of 12910468757 is 75786401921.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12572239876 + 338228881 = 112126^2 + 18391^2 .

It is a cyclic number.

It is not a de Polignac number, because 12910468757 - 24 = 12910468741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12910468717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6455234378 + 6455234379.

It is an arithmetic number, because the mean of its divisors is an integer number (6455234379).

Almost surely, 212910468757 is an apocalyptic number.

It is an amenable number.

12910468757 is a deficient number, since it is larger than the sum of its proper divisors (1).

12910468757 is an equidigital number, since it uses as much as digits as its factorization.

12910468757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 12910468757 in words is "twelve billion, nine hundred ten million, four hundred sixty-eight thousand, seven hundred fifty-seven".