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12631253916 = 2231052604493
BaseRepresentation
bin10111100001110000…
…11010001110011100
31012121021221011221010
423300320122032130
5201332100111131
65445215335220
7625004613111
oct136070321634
935537834833
1012631253916
1153a2017026
122546221510
131263b84058
1487b7bc908
154dddb3b46
hex2f0e1a39c

12631253916 has 12 divisors (see below), whose sum is σ = 29472925832. Its totient is φ = 4210417968.

The previous prime is 12631253911. The next prime is 12631253927. The reversal of 12631253916 is 61935213621.

12631253916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631253911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526302235 + ... + 526302258.

Almost surely, 212631253916 is an apocalyptic number.

It is an amenable number.

12631253916 is an abundant number, since it is smaller than the sum of its proper divisors (16841671916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12631253916 is a wasteful number, since it uses less digits than its factorization.

12631253916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052604500 (or 1052604498 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The spelling of 12631253916 in words is "twelve billion, six hundred thirty-one million, two hundred fifty-three thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 1052604493 2105208986 3157813479 4210417972 6315626958 12631253916