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15214857860161 = 17131130114093727
BaseRepresentation
bin1101110101100111110000…
…1100101011010001000001
31222212112012121022120020001
43131121330030223101001
53443240012103011121
652205335331120001
73130144234651141
oct335317414532101
958775177276201
1015214857860161
11493664867aa53
1218588a9143001
138649a77ab68b
143a858dd7a921
151b5b901c2991
hexdd67c32b441

15214857860161 has 32 divisors (see below), whose sum is σ = 16261194216960. Its totient is φ = 14185746432000.

The previous prime is 15214857860159. The next prime is 15214857860239. The reversal of 15214857860161 is 16106875841251.

15214857860161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 15214857860161 - 21 = 15214857860159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15214857860561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4082331880 + ... + 4082335606.

It is an arithmetic number, because the mean of its divisors is an integer number (508162319280).

Almost surely, 215214857860161 is an apocalyptic number.

It is an amenable number.

15214857860161 is a deficient number, since it is larger than the sum of its proper divisors (1046336356799).

15214857860161 is a wasteful number, since it uses less digits than its factorization.

15214857860161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585.

The product of its (nonzero) digits is 3225600, while the sum is 55.

The spelling of 15214857860161 in words is "fifteen trillion, two hundred fourteen billion, eight hundred fifty-seven million, eight hundred sixty thousand, one hundred sixty-one".

Divisors: 1 17 131 1301 1409 2227 3727 22117 23953 63359 170431 184579 488237 1833109 2897327 3137843 4848827 5251343 8300029 31162853 82430059 89272831 240137279 635196337 687925933 4082333743 6831997243 10798337729 11694740861 116143953131 894991638833 15214857860161