Base | Representation |
---|---|
bin | 1111100011110… |
… | …11111111010011 |
3 | 100002121200020222 |
4 | 13301323333103 |
5 | 231404000113 |
6 | 20541423255 |
7 | 3143332451 |
oct | 761737723 |
9 | 302550228 |
10 | 130531283 |
11 | 677550a3 |
12 | 3786ab2b |
13 | 2107355c |
14 | 1349b9d1 |
15 | b6d5e08 |
hex | 7c7bfd3 |
130531283 has 2 divisors, whose sum is σ = 130531284. Its totient is φ = 130531282.
The previous prime is 130531223. The next prime is 130531307. The reversal of 130531283 is 382135031.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 130531283 - 210 = 130530259 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (130531223) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65265641 + 65265642.
It is an arithmetic number, because the mean of its divisors is an integer number (65265642).
Almost surely, 2130531283 is an apocalyptic number.
130531283 is a deficient number, since it is larger than the sum of its proper divisors (1).
130531283 is an equidigital number, since it uses as much as digits as its factorization.
130531283 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2160, while the sum is 26.
The square root of 130531283 is about 11425.0287964626. The cubic root of 130531283 is about 507.2688592896.
The spelling of 130531283 in words is "one hundred thirty million, five hundred thirty-one thousand, two hundred eighty-three".
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