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13289465872 = 242336112679
BaseRepresentation
bin11000110000001110…
…10010100000010000
31021022011110210222201
430120013102200100
5204204100401442
610034411212544
7650216411314
oct143007224020
937264423881
1013289465872
1156aa614451
1226aa747154
13133a351a97
14900d99b44
1552ba7e7b7
hex3181d2810

13289465872 has 20 divisors (see below), whose sum is σ = 26867833920. Its totient is φ = 6355831328.

The previous prime is 13289465837. The next prime is 13289465881. The reversal of 13289465872 is 27856498231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18055972 + ... + 18056707.

It is an arithmetic number, because the mean of its divisors is an integer number (1343391696).

Almost surely, 213289465872 is an apocalyptic number.

It is an amenable number.

13289465872 is an abundant number, since it is smaller than the sum of its proper divisors (13578368048).

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

13289465872 is a wasteful number, since it uses less digits than its factorization.

13289465872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36112710 (or 36112704 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The spelling of 13289465872 in words is "thirteen billion, two hundred eighty-nine million, four hundred sixty-five thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 23 46 92 184 368 36112679 72225358 144450716 288901432 577802864 830591617 1661183234 3322366468 6644732936 13289465872