Base | Representation |
---|---|
bin | 10111100100011000… |
… | …10110111011100001 |
3 | 1012122211100020022021 |
4 | 23302030112323201 |
5 | 201403213314023 |
6 | 5451323141441 |
7 | 625362640225 |
oct | 136214267341 |
9 | 35584306267 |
10 | 12653260513 |
11 | 54034879a3 |
12 | 2551674881 |
13 | 12685ba8ca |
14 | 8806aa785 |
15 | 4e0cae35d |
hex | 2f2316ee1 |
12653260513 has 2 divisors, whose sum is σ = 12653260514. Its totient is φ = 12653260512.
The previous prime is 12653260511. The next prime is 12653260517. The reversal of 12653260513 is 31506235621.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11407735249 + 1245525264 = 106807^2 + 35292^2 .
It is a cyclic number.
It is not a de Polignac number, because 12653260513 - 21 = 12653260511 is a prime.
Together with 12653260511, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (12653260511) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326630256 + 6326630257.
It is an arithmetic number, because the mean of its divisors is an integer number (6326630257).
Almost surely, 212653260513 is an apocalyptic number.
It is an amenable number.
12653260513 is a deficient number, since it is larger than the sum of its proper divisors (1).
12653260513 is an equidigital number, since it uses as much as digits as its factorization.
12653260513 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32400, while the sum is 34.
The spelling of 12653260513 in words is "twelve billion, six hundred fifty-three million, two hundred sixty thousand, five hundred thirteen".
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