Search a number
-
+
13157075165 = 5131372575749
BaseRepresentation
bin11000100000011100…
…10000100011011101
31020221221100200002012
430100032100203131
5203421202401130
610013321441005
7644021202503
oct142016204335
936857320065
1013157075165
11564190a343
122672340165
131318aaa0a0
148cb576673
1552012c995
hex3103908dd

13157075165 has 32 divisors (see below), whose sum is σ = 17196732000. Its totient is φ = 9605873664.

The previous prime is 13157075137. The next prime is 13157075201. The reversal of 13157075165 is 56157075131.

It can be written as a sum of positive squares in 16 ways, for example, as 4343996281 + 8813078884 = 65909^2 + 93878^2 .

It is a cyclic number.

It is not a de Polignac number, because 13157075165 - 26 = 13157075101 is a prime.

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, 2285711 + ... + 2291459.

It is an arithmetic number, because the mean of its divisors is an integer number (537397875).

Almost surely, 213157075165 is an apocalyptic number.

It is an amenable number.

13157075165 is a deficient number, since it is larger than the sum of its proper divisors (4039656835).

13157075165 is a wasteful number, since it uses less digits than its factorization.

13157075165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161.

The product of its (nonzero) digits is 110250, while the sum is 41.

The spelling of 13157075165 in words is "thirteen billion, one hundred fifty-seven million, seventy-five thousand, one hundred sixty-five".

Divisors: 1 5 13 65 137 257 685 1285 1781 3341 5749 8905 16705 28745 35209 74737 176045 373685 457717 787613 1477493 2288585 3938065 7387465 10238969 19207409 51194845 96037045 202416541 1012082705 2631415033 13157075165