Base | Representation |
---|---|
bin | 1111100001010… |
… | …01010100010001 |
3 | 100001222110202021 |
4 | 13300221110101 |
5 | 231312131112 |
6 | 20530251441 |
7 | 3140422300 |
oct | 760512421 |
9 | 301873667 |
10 | 130192657 |
11 | 67543741 |
12 | 37726b81 |
13 | 20c8539a |
14 | 13410437 |
15 | b66a907 |
hex | 7c29511 |
130192657 has 6 divisors (see below), whose sum is σ = 151448658. Its totient is φ = 111593664.
The previous prime is 130192633. The next prime is 130192669. The reversal of 130192657 is 756291031.
It can be written as a sum of positive squares in only one way, i.e., 66846976 + 63345681 = 8176^2 + 7959^2 .
It is not a de Polignac number, because 130192657 - 215 = 130159889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130112657) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1328448 + ... + 1328545.
It is an arithmetic number, because the mean of its divisors is an integer number (25241443).
Almost surely, 2130192657 is an apocalyptic number.
It is an amenable number.
130192657 is a deficient number, since it is larger than the sum of its proper divisors (21256001).
130192657 is an equidigital number, since it uses as much as digits as its factorization.
130192657 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2657007 (or 2657000 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 34.
The square root of 130192657 is about 11410.1996915041. The cubic root of 130192657 is about 506.8298248679.
The spelling of 130192657 in words is "one hundred thirty million, one hundred ninety-two thousand, six hundred fifty-seven".
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