Base | Representation |
---|---|
bin | 11000000001010011… |
… | …10010100001001001 |
3 | 1020021201211101201201 |
4 | 30000221302201021 |
5 | 202402314403323 |
6 | 5531350544201 |
7 | 634366654615 |
oct | 140051624111 |
9 | 36251741651 |
10 | 12895856713 |
11 | 5518414023 |
12 | 25ba968061 |
13 | 12a693a35c |
14 | 8a49ba345 |
15 | 50722e8ad |
hex | 300a72849 |
12895856713 has 2 divisors, whose sum is σ = 12895856714. Its totient is φ = 12895856712.
The previous prime is 12895856689. The next prime is 12895856801. The reversal of 12895856713 is 31765859821.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10225861129 + 2669995584 = 101123^2 + 51672^2 .
It is a cyclic number.
It is not a de Polignac number, because 12895856713 - 29 = 12895856201 is a prime.
It is a super-3 number, since 3×128958567133 (a number of 31 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (12895856513) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6447928356 + 6447928357.
It is an arithmetic number, because the mean of its divisors is an integer number (6447928357).
Almost surely, 212895856713 is an apocalyptic number.
It is an amenable number.
12895856713 is a deficient number, since it is larger than the sum of its proper divisors (1).
12895856713 is an equidigital number, since it uses as much as digits as its factorization.
12895856713 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3628800, while the sum is 55.
The spelling of 12895856713 in words is "twelve billion, eight hundred ninety-five million, eight hundred fifty-six thousand, seven hundred thirteen".
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