Base | Representation |
---|---|
bin | 111101010001010001… |
… | …0001010110111100100 |
3 | 110120121202020111211110 |
4 | 1322202202022313210 |
5 | 4123431411312114 |
6 | 140240051505020 |
7 | 12335400400044 |
oct | 1724242126744 |
9 | 416552214743 |
10 | 131575885284 |
11 | 5088a180068 |
12 | 216005b8170 |
13 | c53b51632c |
14 | 65228c3724 |
15 | 365139c759 |
hex | 1ea288ade4 |
131575885284 has 12 divisors (see below), whose sum is σ = 307010399024. Its totient is φ = 43858628424.
The previous prime is 131575885283. The next prime is 131575885319. The reversal of 131575885284 is 482588575131.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (131575885283) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5482328542 + ... + 5482328565.
Almost surely, 2131575885284 is an apocalyptic number.
It is an amenable number.
131575885284 is an abundant number, since it is smaller than the sum of its proper divisors (175434513740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131575885284 is a wasteful number, since it uses less digits than its factorization.
131575885284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10964657114 (or 10964657112 counting only the distinct ones).
The product of its digits is 10752000, while the sum is 57.
The spelling of 131575885284 in words is "one hundred thirty-one billion, five hundred seventy-five million, eight hundred eighty-five thousand, two hundred eighty-four".
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