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15056457132 = 2235227240043
BaseRepresentation
bin11100000010110111…
…10100110110101100
31102212022101021022110
432001123310312230
5221313423112012
610530012044020
71042053526323
oct160133646654
942768337273
1015056457132
116426a83102
122b02463610
13155c455542
14a2b91d0ba
155d1c6773c
hex3816f4dac

15056457132 has 24 divisors (see below), whose sum is σ = 35138600896. Its totient is φ = 5017837968.

The previous prime is 15056457131. The next prime is 15056457137. The reversal of 15056457132 is 23175465051.

It is not an unprimeable number, because it can be changed into a prime (15056457131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57298 + ... + 182745.

Almost surely, 215056457132 is an apocalyptic number.

15056457132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15056457132 is an abundant number, since it is smaller than the sum of its proper divisors (20082143764).

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

15056457132 is a wasteful number, since it uses less digits than its factorization.

15056457132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245277 (or 245275 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 15056457132 in words is "fifteen billion, fifty-six million, four hundred fifty-seven thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 5227 10454 15681 20908 31362 62724 240043 480086 720129 960172 1440258 2880516 1254704761 2509409522 3764114283 5018819044 7528228566 15056457132