Base | Representation |
---|---|
bin | 1111101000101… |
… | …10010001000100 |
3 | 100010210210002110 |
4 | 13310112101010 |
5 | 232034210304 |
6 | 21003141020 |
7 | 3151604004 |
oct | 764262104 |
9 | 303723073 |
10 | 131163204 |
11 | 68046947 |
12 | 37b14770 |
13 | 21235083 |
14 | 135c4004 |
15 | b7ad289 |
hex | 7d16444 |
131163204 has 24 divisors (see below), whose sum is σ = 319354560. Its totient is φ = 41820064.
The previous prime is 131163203. The next prime is 131163209. The reversal of 131163204 is 402361131.
It is not an unprimeable number, because it can be changed into a prime (131163203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237339 + ... + 237890.
It is an arithmetic number, because the mean of its divisors is an integer number (13306440).
Almost surely, 2131163204 is an apocalyptic number.
It is an amenable number.
131163204 is an abundant number, since it is smaller than the sum of its proper divisors (188191356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131163204 is a wasteful number, since it uses less digits than its factorization.
131163204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 475259 (or 475257 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 131163204 is about 11452.6505229139. The cubic root of 131163204 is about 508.0861294019.
The spelling of 131163204 in words is "one hundred thirty-one million, one hundred sixty-three thousand, two hundred four".
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