Base | Representation |
---|---|
bin | 1111101000101… |
… | …10010001000001 |
3 | 100010210210002100 |
4 | 13310112101001 |
5 | 232034210301 |
6 | 21003141013 |
7 | 3151604001 |
oct | 764262101 |
9 | 303723070 |
10 | 131163201 |
11 | 68046944 |
12 | 37b14769 |
13 | 21235080 |
14 | 135c4001 |
15 | b7ad286 |
hex | 7d16441 |
131163201 has 72 divisors (see below), whose sum is σ = 223198976. Its totient is φ = 73664640.
The previous prime is 131163169. The next prime is 131163203. The reversal of 131163201 is 102361131.
131163201 is a `hidden beast` number, since 1 + 31 + 1 + 632 + 0 + 1 = 666.
It is not a de Polignac number, because 131163201 - 25 = 131163169 is a prime.
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 71 ways as a sum of consecutive naturals, for example, 3050286 + ... + 3050328.
Almost surely, 2131163201 is an apocalyptic number.
It is an amenable number.
131163201 is a deficient number, since it is larger than the sum of its proper divisors (92035775).
131163201 is a wasteful number, since it uses less digits than its factorization.
131163201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151 (or 119 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 131163201 is about 11452.6503919399. The cubic root of 131163201 is about 508.0861255282.
The spelling of 131163201 in words is "one hundred thirty-one million, one hundred sixty-three thousand, two hundred one".
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