Base | Representation |
---|---|
bin | 10011100110101111… |
… | …01001010111111101 |
3 | 1000011112121110201201 |
4 | 21303113221113331 |
5 | 133024012410323 |
6 | 4500234135501 |
7 | 521555246305 |
oct | 116327512775 |
9 | 30145543651 |
10 | 10525513213 |
11 | 4511417956 |
12 | 2058b81591 |
13 | cb9836237 |
14 | 71bc7a605 |
15 | 4190b58ad |
hex | 2735e95fd |
10525513213 has 2 divisors, whose sum is σ = 10525513214. Its totient is φ = 10525513212.
The previous prime is 10525513189. The next prime is 10525513231. The reversal of 10525513213 is 31231552501.
Together with next prime (10525513231) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10514041444 + 11471769 = 102538^2 + 3387^2 .
It is a cyclic number.
It is not a de Polignac number, because 10525513213 - 221 = 10523416061 is a prime.
It is a super-2 number, since 2×105255132132 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10525513283) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5262756606 + 5262756607.
It is an arithmetic number, because the mean of its divisors is an integer number (5262756607).
Almost surely, 210525513213 is an apocalyptic number.
It is an amenable number.
10525513213 is a deficient number, since it is larger than the sum of its proper divisors (1).
10525513213 is an equidigital number, since it uses as much as digits as its factorization.
10525513213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4500, while the sum is 28.
The spelling of 10525513213 in words is "ten billion, five hundred twenty-five million, five hundred thirteen thousand, two hundred thirteen".
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