Base | Representation |
---|---|
bin | 1111100001000… |
… | …10011100110011 |
3 | 100001221001011120 |
4 | 13300202130303 |
5 | 231310231111 |
6 | 20525513323 |
7 | 3140244300 |
oct | 760423463 |
9 | 301831146 |
10 | 130164531 |
11 | 675245a2 |
12 | 37712843 |
13 | 20c75643 |
14 | 134040a7 |
15 | b662406 |
hex | 7c22733 |
130164531 has 12 divisors (see below), whose sum is σ = 201888072. Its totient is φ = 74379648.
The previous prime is 130164523. The next prime is 130164571. The reversal of 130164531 is 135461031.
It is not a de Polignac number, because 130164531 - 23 = 130164523 is a prime.
It is a super-2 number, since 2×1301645312 = 33885610260899922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (130164571) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442590 + ... + 442883.
It is an arithmetic number, because the mean of its divisors is an integer number (16824006).
Almost surely, 2130164531 is an apocalyptic number.
130164531 is a deficient number, since it is larger than the sum of its proper divisors (71723541).
130164531 is an equidigital number, since it uses as much as digits as its factorization.
130164531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 885490 (or 885483 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 130164531 is about 11408.9671311649. The cubic root of 130164531 is about 506.7933248004.
The spelling of 130164531 in words is "one hundred thirty million, one hundred sixty-four thousand, five hundred thirty-one".
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