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15107168285 = 5114323392731
BaseRepresentation
bin11100001000111010…
…10001100000011101
31102222211210122221022
432010131101200131
5221414413341120
610535023013525
71043240545256
oct160435214035
942884718838
1015107168285
11645266a150
122b1743a2a5
131569acc541
14a3455db2d
155d6433025
hex38475181d

15107168285 has 32 divisors (see below), whose sum is σ = 20252643840. Its totient is φ = 10723003200.

The previous prime is 15107168267. The next prime is 15107168327. The reversal of 15107168285 is 58286170151.

It is not a de Polignac number, because 15107168285 - 26 = 15107168221 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5530370 + ... + 5533100.

It is an arithmetic number, because the mean of its divisors is an integer number (632895120).

Almost surely, 215107168285 is an apocalyptic number.

It is an amenable number.

15107168285 is a deficient number, since it is larger than the sum of its proper divisors (5145475555).

15107168285 is a wasteful number, since it uses less digits than its factorization.

15107168285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129.

The product of its (nonzero) digits is 134400, while the sum is 44.

The spelling of 15107168285 in words is "fifteen billion, one hundred seven million, one hundred sixty-eight thousand, two hundred eighty-five".

Divisors: 1 5 11 43 55 215 473 2339 2365 2731 11695 13655 25729 30041 100577 117433 128645 150205 502885 587165 1106347 1291763 5531735 6387809 6458815 31939045 70265899 274675787 351329495 1373378935 3021433657 15107168285