Base | Representation |
---|---|
bin | 10111010101001000… |
… | …100000101011110001 |
3 | 2101122211011001212112 |
4 | 113111020200223301 |
5 | 402300424131023 |
6 | 15301425335105 |
7 | 1544530465361 |
oct | 272510405361 |
9 | 71584131775 |
10 | 25050614513 |
11 | a695467501 |
12 | 4a31497495 |
13 | 2492b78532 |
14 | 12d8da09a1 |
15 | 9b936e478 |
hex | 5d5220af1 |
25050614513 has 2 divisors, whose sum is σ = 25050614514. Its totient is φ = 25050614512.
The previous prime is 25050614437. The next prime is 25050614521. The reversal of 25050614513 is 31541605052.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23338061824 + 1712552689 = 152768^2 + 41383^2 .
It is a cyclic number.
It is not a de Polignac number, because 25050614513 - 214 = 25050598129 is a prime.
It is a super-4 number, since 4×250506145134 (a number of 43 digits) contains 4444 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 25050614513.
It is not a weakly prime, because it can be changed into another prime (25050614213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12525307256 + 12525307257.
It is an arithmetic number, because the mean of its divisors is an integer number (12525307257).
Almost surely, 225050614513 is an apocalyptic number.
It is an amenable number.
25050614513 is a deficient number, since it is larger than the sum of its proper divisors (1).
25050614513 is an equidigital number, since it uses as much as digits as its factorization.
25050614513 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18000, while the sum is 32.
The spelling of 25050614513 in words is "twenty-five billion, fifty million, six hundred fourteen thousand, five hundred thirteen".
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