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13089027928 = 231636128491
BaseRepresentation
bin11000011000010101…
…01011011101011000
31020210012022111211011
430030022223131120
5203301242343203
610002451143304
7642233621164
oct141412533530
936705274734
1013089027928
115607462459
1226535a4b34
131307973352
148c2501ca4
1551918a76d
hex30c2ab758

13089027928 has 8 divisors (see below), whose sum is σ = 24541927380. Its totient is φ = 6544513960.

The previous prime is 13089027911. The next prime is 13089027937. The reversal of 13089027928 is 82972098031.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 818064238 + ... + 818064253.

Almost surely, 213089027928 is an apocalyptic number.

It is an amenable number.

13089027928 is a deficient number, since it is larger than the sum of its proper divisors (11452899452).

13089027928 is a wasteful number, since it uses less digits than its factorization.

13089027928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636128497 (or 1636128493 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 13089027928 in words is "thirteen billion, eighty-nine million, twenty-seven thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 1636128491 3272256982 6544513964 13089027928