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157012168 = 23235931439
BaseRepresentation
bin10010101101111…
…01000011001000
3101221110001012111
421112331003020
5310143342133
623325152104
73614403265
oct1126750310
9357401174
10157012168
11806a1625
12446bb634
13266b5811
1416bd226c
15dbb71cd
hex95bd0c8

157012168 has 32 divisors (see below), whose sum is σ = 307929600. Its totient is φ = 74914048.

The previous prime is 157012159. The next prime is 157012171. The reversal of 157012168 is 861210751.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108393 + ... + 109831.

It is an arithmetic number, because the mean of its divisors is an integer number (9622800).

Almost surely, 2157012168 is an apocalyptic number.

It is an amenable number.

157012168 is a deficient number, since it is larger than the sum of its proper divisors (150917432).

157012168 is a wasteful number, since it uses less digits than its factorization.

157012168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061 (or 2057 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 157012168 is about 12530.4496327945. The cubic root of 157012168 is about 539.4830077079.

The spelling of 157012168 in words is "one hundred fifty-seven million, twelve thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 23 46 92 184 593 1186 1439 2372 2878 4744 5756 11512 13639 27278 33097 54556 66194 109112 132388 264776 853327 1706654 3413308 6826616 19626521 39253042 78506084 157012168