Base | Representation |
---|---|
bin | 10111110111010000… |
… | …11000011100010011 |
3 | 1020001212021210120001 |
4 | 23323220120130103 |
5 | 202214232223213 |
6 | 5515141030431 |
7 | 632324550256 |
oct | 137350303423 |
9 | 36055253501 |
10 | 12811601683 |
11 | 54848a6a71 |
12 | 25966b5417 |
13 | 129234a2ca |
14 | 89772709d |
15 | 4eeb3a1dd |
hex | 2fba18713 |
12811601683 has 2 divisors, whose sum is σ = 12811601684. Its totient is φ = 12811601682.
The previous prime is 12811601653. The next prime is 12811601687. The reversal of 12811601683 is 38610611821.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12811601683 - 25 = 12811601651 is a prime.
It is not a weakly prime, because it can be changed into another prime (12811601687) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6405800841 + 6405800842.
It is an arithmetic number, because the mean of its divisors is an integer number (6405800842).
Almost surely, 212811601683 is an apocalyptic number.
12811601683 is a deficient number, since it is larger than the sum of its proper divisors (1).
12811601683 is an equidigital number, since it uses as much as digits as its factorization.
12811601683 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13824, while the sum is 37.
The spelling of 12811601683 in words is "twelve billion, eight hundred eleven million, six hundred one thousand, six hundred eighty-three".
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