Base | Representation |
---|---|
bin | 1111100011110… |
… | …00000100111111 |
3 | 100002120212021122 |
4 | 13301320010333 |
5 | 231402442023 |
6 | 20541221155 |
7 | 3143234654 |
oct | 761700477 |
9 | 302525248 |
10 | 130515263 |
11 | 6774405a |
12 | 378617bb |
13 | 21069188 |
14 | 13495c2b |
15 | b6d12c8 |
hex | 7c7813f |
130515263 has 4 divisors (see below), whose sum is σ = 132463320. Its totient is φ = 128567208.
The previous prime is 130515251. The next prime is 130515269. The reversal of 130515263 is 362515031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 130515263 - 24 = 130515247 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130515269) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973928 + ... + 974061.
It is an arithmetic number, because the mean of its divisors is an integer number (33115830).
Almost surely, 2130515263 is an apocalyptic number.
130515263 is a deficient number, since it is larger than the sum of its proper divisors (1948057).
130515263 is an equidigital number, since it uses as much as digits as its factorization.
130515263 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1948056.
The product of its (nonzero) digits is 2700, while the sum is 26.
The square root of 130515263 is about 11424.3276826254. The cubic root of 130515263 is about 507.2481062067.
The spelling of 130515263 in words is "one hundred thirty million, five hundred fifteen thousand, two hundred sixty-three".
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