Base | Representation |
---|---|
bin | 1111100011101… |
… | …10111100100111 |
3 | 100002120121221002 |
4 | 13301312330213 |
5 | 231402320011 |
6 | 20541143515 |
7 | 3143215316 |
oct | 761667447 |
9 | 302517832 |
10 | 130510631 |
11 | 67740629 |
12 | 3785ab9b |
13 | 21067034 |
14 | 1349427d |
15 | b6cec3b |
hex | 7c76f27 |
130510631 has 2 divisors, whose sum is σ = 130510632. Its totient is φ = 130510630.
The previous prime is 130510561. The next prime is 130510657. The reversal of 130510631 is 136015031.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130510631 is a prime.
It is a super-2 number, since 2×1305106312 = 34066049608036322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130510691) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65255315 + 65255316.
It is an arithmetic number, because the mean of its divisors is an integer number (65255316).
Almost surely, 2130510631 is an apocalyptic number.
130510631 is a deficient number, since it is larger than the sum of its proper divisors (1).
130510631 is an equidigital number, since it uses as much as digits as its factorization.
130510631 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 270, while the sum is 20.
The square root of 130510631 is about 11424.1249555491. The cubic root of 130510631 is about 507.2421053734.
Adding to 130510631 its reverse (136015031), we get a palindrome (266525662).
The spelling of 130510631 in words is "one hundred thirty million, five hundred ten thousand, six hundred thirty-one".
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