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12052313091 = 3271314715889
BaseRepresentation
bin10110011100101111…
…11011010000000011
31011002221112221102100
423032113323100003
5144140343004331
65311534521443
7604444654020
oct131627732003
934087487370
1012052313091
115125242235
122404366283
1311a0c4ca10
14824958547
154a8155ae6
hex2ce5fb403

12052313091 has 24 divisors (see below), whose sum is σ = 21426335840. Its totient is φ = 6357263616.

The previous prime is 12052313057. The next prime is 12052313113. The reversal of 12052313091 is 19031325021.

12052313091 is a `hidden beast` number, since 1 + 2 + 0 + 523 + 130 + 9 + 1 = 666.

It is not a de Polignac number, because 12052313091 - 211 = 12052311043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12052313051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7357126 + ... + 7358763.

Almost surely, 212052313091 is an apocalyptic number.

12052313091 is a deficient number, since it is larger than the sum of its proper divisors (9374022749).

12052313091 is a wasteful number, since it uses less digits than its factorization.

12052313091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14715915 (or 14715912 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The spelling of 12052313091 in words is "twelve billion, fifty-two million, three hundred thirteen thousand, ninety-one".

Divisors: 1 3 7 9 13 21 39 63 91 117 273 819 14715889 44147667 103011223 132443001 191306557 309033669 573919671 927101007 1339145899 1721759013 4017437697 12052313091