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12876634968 = 2331733101309
BaseRepresentation
bin10111111111000000…
…11101101101011000
31020020101122211110020
423333200131231120
5202332404304333
65525422550440
7634044406551
oct137740355530
936211584406
1012876634968
11550858548a
1225b4438420
1312a296a242
148a2215328
155056d43b3
hex2ff81db58

12876634968 has 32 divisors (see below), whose sum is σ = 32377676400. Its totient is φ = 4267399808.

The previous prime is 12876634949. The next prime is 12876634987. The reversal of 12876634968 is 86943667821.

It is an interprime number because it is at equal distance from previous prime (12876634949) and next prime (12876634987).

It is a super-2 number, since 2×128766349682 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546503 + ... + 1554806.

Almost surely, 212876634968 is an apocalyptic number.

It is an amenable number.

12876634968 is an abundant number, since it is smaller than the sum of its proper divisors (19501041432).

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

12876634968 is a wasteful number, since it uses less digits than its factorization.

12876634968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101491 (or 3101487 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 60.

The spelling of 12876634968 in words is "twelve billion, eight hundred seventy-six million, six hundred thirty-four thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 173 346 519 692 1038 1384 2076 4152 3101309 6202618 9303927 12405236 18607854 24810472 37215708 74431416 536526457 1073052914 1609579371 2146105828 3219158742 4292211656 6438317484 12876634968