Base | Representation |
---|---|
bin | 1111100001001… |
… | …00010100000011 |
3 | 100001221102122020 |
4 | 13300210110003 |
5 | 231311002123 |
6 | 20530012523 |
7 | 3140305452 |
oct | 760442403 |
9 | 301842566 |
10 | 130172163 |
11 | 6752a300 |
12 | 37717143 |
13 | 20c78c64 |
14 | 13406b99 |
15 | b6647e3 |
hex | 7c24503 |
130172163 has 12 divisors (see below), whose sum is σ = 190776264. Its totient is φ = 78892000.
The previous prime is 130172153. The next prime is 130172167. The reversal of 130172163 is 361271031.
It is a de Polignac number, because none of the positive numbers 2k-130172163 is a prime.
It is not an unprimeable number, because it can be changed into a prime (130172167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178938 + ... + 179663.
It is an arithmetic number, because the mean of its divisors is an integer number (15898022).
Almost surely, 2130172163 is an apocalyptic number.
130172163 is a deficient number, since it is larger than the sum of its proper divisors (60604101).
130172163 is a wasteful number, since it uses less digits than its factorization.
130172163 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 358626 (or 358615 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 24.
The square root of 130172163 is about 11409.3016000104. The cubic root of 130172163 is about 506.8032296263.
The spelling of 130172163 in words is "one hundred thirty million, one hundred seventy-two thousand, one hundred sixty-three".
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