Base | Representation |
---|---|
bin | 1101110101100111110000… |
… | …1100101011010001000001 |
3 | 1222212112012121022120020001 |
4 | 3131121330030223101001 |
5 | 3443240012103011121 |
6 | 52205335331120001 |
7 | 3130144234651141 |
oct | 335317414532101 |
9 | 58775177276201 |
10 | 15214857860161 |
11 | 493664867aa53 |
12 | 18588a9143001 |
13 | 8649a77ab68b |
14 | 3a858dd7a921 |
15 | 1b5b901c2991 |
hex | dd67c32b441 |
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".
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