Base | Representation |
---|---|
bin | 1111101011011… |
… | …10101000000111 |
3 | 100011111011120000 |
4 | 13311232220013 |
5 | 232132301002 |
6 | 21015012343 |
7 | 3154642116 |
oct | 765565007 |
9 | 304434500 |
10 | 131525127 |
11 | 68273858 |
12 | 3806a0b3 |
13 | 21330a26 |
14 | 13679c7d |
15 | b83061c |
hex | 7d6ea07 |
131525127 has 10 divisors (see below), whose sum is σ = 196475928. Its totient is φ = 87683364.
The previous prime is 131525071. The next prime is 131525143. The reversal of 131525127 is 721525131.
131525127 is a `hidden beast` number, since 13 + 1 + 525 + 127 = 666.
It is not a de Polignac number, because 131525127 - 211 = 131523079 is a prime.
It is a super-2 number, since 2×1315251272 = 34597718064732258, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 131525127.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131525327) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 811803 + ... + 811964.
Almost surely, 2131525127 is an apocalyptic number.
131525127 is a deficient number, since it is larger than the sum of its proper divisors (64950801).
131525127 is an equidigital number, since it uses as much as digits as its factorization.
131525127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1623779 (or 1623770 counting only the distinct ones).
The product of its digits is 2100, while the sum is 27.
The square root of 131525127 is about 11468.4404781121. The cubic root of 131525127 is about 508.5530265531.
The spelling of 131525127 in words is "one hundred thirty-one million, five hundred twenty-five thousand, one hundred twenty-seven".
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