Base | Representation |
---|---|
bin | 11000101111101101… |
… | …10110101010111011 |
3 | 1021021212100221002201 |
4 | 30113312312222323 |
5 | 204202000020223 |
6 | 10034135011031 |
7 | 650134655536 |
oct | 142766665273 |
9 | 37255327081 |
10 | 13285157563 |
11 | 56a8141567 |
12 | 26a9209a77 |
13 | 13394a3aa2 |
14 | 900597a1d |
15 | 52b4ccead |
hex | 317db6abb |
13285157563 has 2 divisors, whose sum is σ = 13285157564. Its totient is φ = 13285157562.
The previous prime is 13285157533. The next prime is 13285157591. The reversal of 13285157563 is 36575158231.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13285157563 - 25 = 13285157531 is a prime.
It is a super-3 number, since 3×132851575633 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not a weakly prime, because it can be changed into another prime (13285157533) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6642578781 + 6642578782.
It is an arithmetic number, because the mean of its divisors is an integer number (6642578782).
Almost surely, 213285157563 is an apocalyptic number.
13285157563 is a deficient number, since it is larger than the sum of its proper divisors (1).
13285157563 is an equidigital number, since it uses as much as digits as its factorization.
13285157563 is an evil number, because the sum of its binary digits is even.
The product of its digits is 756000, while the sum is 46.
The spelling of 13285157563 in words is "thirteen billion, two hundred eighty-five million, one hundred fifty-seven thousand, five hundred sixty-three".
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