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157152171717061 = 3731143331540631
BaseRepresentation
bin100011101110110111010111…
…010111101111000111000101
3202121102121020001100221102121
4203232313113113233013011
5131044240121424421221
61314122413325405541
745046604213236513
oct4356672727570705
9677377201327377
10157152171717061
1146089952a92944
12157611884098b1
13698c503651a71
142ab42c45db4b3
151327d4e1dea41
hex8eedd75ef1c5

157152171717061 has 16 divisors (see below), whose sum is σ = 162292448118528. Its totient is φ = 152061162105600.

The previous prime is 157152171717031. The next prime is 157152171717071. The reversal of 157152171717061 is 160717171251751.

It is a cyclic number.

It is not a de Polignac number, because 157152171717061 - 217 = 157152171585989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157152171717031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10787785 + ... + 20752846.

It is an arithmetic number, because the mean of its divisors is an integer number (10143278007408).

Almost surely, 2157152171717061 is an apocalyptic number.

It is an amenable number.

157152171717061 is a deficient number, since it is larger than the sum of its proper divisors (5140276401467).

157152171717061 is a wasteful number, since it uses less digits than its factorization.

157152171717061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31541412.

The product of its (nonzero) digits is 720300, while the sum is 52.

The spelling of 157152171717061 in words is "one hundred fifty-seven trillion, one hundred fifty-two billion, one hundred seventy-one million, seven hundred seventeen thousand, sixty-one".

Divisors: 1 37 311 433 11507 16021 134663 4982531 31540631 1167003347 9809136241 13657093223 362938040917 505312449251 4247355992353 157152171717061