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152171731068 = 22372258795461
BaseRepresentation
bin1000110110111000100…
…1000101100001111100
3112112210002221212211120
42031232021011201330
54443121430343233
6153523504150540
713664646241500
oct2155611054174
9475702855746
10152171731068
1159598a7a915
12255aa008450
1311471493a26
147517d90300
153e595b54b3
hex236e24587c

152171731068 has 36 divisors (see below), whose sum is σ = 413037557352. Its totient is φ = 43477637280.

The previous prime is 152171731067. The next prime is 152171731079. The reversal of 152171731068 is 860137171251.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152171731067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129397143 + ... + 129398318.

It is an arithmetic number, because the mean of its divisors is an integer number (11473265482).

Almost surely, 2152171731068 is an apocalyptic number.

It is an amenable number.

152171731068 is an abundant number, since it is smaller than the sum of its proper divisors (260865826284).

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

152171731068 is a wasteful number, since it uses less digits than its factorization.

152171731068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258795482 (or 258795473 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 152171731068 in words is "one hundred fifty-two billion, one hundred seventy-one million, seven hundred thirty-one thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 258795461 517590922 776386383 1035181844 1552772766 1811568227 3105545532 3623136454 5434704681 7246272908 10869409362 12680977589 21738818724 25361955178 38042932767 50723910356 76085865534 152171731068