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12875102488 = 231609387811
BaseRepresentation
bin10111111110110101…
…00111100100011000
31020020021202222021201
423333122213210120
5202332011234423
65525330043544
7634025364643
oct137732474430
936207688251
1012875102488
115507729076
1225b3a195b4
1312a2551851
148a1d36a5a
155054d02ad
hex2ff6a7918

12875102488 has 8 divisors (see below), whose sum is σ = 24140817180. Its totient is φ = 6437551240.

The previous prime is 12875102477. The next prime is 12875102489. The reversal of 12875102488 is 88420157821.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×128751024883 (a number of 31 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (46) 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 (12875102489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804693898 + ... + 804693913.

Almost surely, 212875102488 is an apocalyptic number.

It is an amenable number.

12875102488 is a deficient number, since it is larger than the sum of its proper divisors (11265714692).

12875102488 is a wasteful number, since it uses less digits than its factorization.

12875102488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609387817 (or 1609387813 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 46.

The spelling of 12875102488 in words is "twelve billion, eight hundred seventy-five million, one hundred two thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 1609387811 3218775622 6437551244 12875102488