Base | Representation |
---|---|
bin | 11001001010110100… |
… | …01000101001000111 |
3 | 1021212201011122001012 |
4 | 30211122020221013 |
5 | 210133200310043 |
6 | 10112455552435 |
7 | 655565303645 |
oct | 144532105107 |
9 | 37781148035 |
10 | 13512510023 |
11 | 5804506861 |
12 | 275138b71b |
13 | 1374616c7c |
14 | 92285a195 |
15 | 54143ba18 |
hex | 325688a47 |
13512510023 has 2 divisors, whose sum is σ = 13512510024. Its totient is φ = 13512510022.
The previous prime is 13512510013. The next prime is 13512510073. The reversal of 13512510023 is 32001521531.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13512510023 - 212 = 13512505927 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13512510013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6756255011 + 6756255012.
It is an arithmetic number, because the mean of its divisors is an integer number (6756255012).
Almost surely, 213512510023 is an apocalyptic number.
13512510023 is a deficient number, since it is larger than the sum of its proper divisors (1).
13512510023 is an equidigital number, since it uses as much as digits as its factorization.
13512510023 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 900, while the sum is 23.
The spelling of 13512510023 in words is "thirteen billion, five hundred twelve million, five hundred ten thousand, twenty-three".
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