Base | Representation |
---|---|
bin | 111111100110110100… |
… | …000110000111011111 |
3 | 20112021201201022002022 |
4 | 333212310012013133 |
5 | 2104333003110123 |
6 | 51213012050355 |
7 | 4635314201231 |
oct | 774664060737 |
9 | 215251638068 |
10 | 68296925663 |
11 | 26a6791a11a |
12 | 112a06039bb |
13 | 6595662965 |
14 | 343c770251 |
15 | 1b9ad511c8 |
hex | fe6d061df |
68296925663 has 2 divisors, whose sum is σ = 68296925664. Its totient is φ = 68296925662.
The previous prime is 68296925651. The next prime is 68296925681. The reversal of 68296925663 is 36652969286.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68296925663 - 232 = 64001958367 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68296925596 and 68296925605.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68296925693) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34148462831 + 34148462832.
It is an arithmetic number, because the mean of its divisors is an integer number (34148462832).
Almost surely, 268296925663 is an apocalyptic number.
68296925663 is a deficient number, since it is larger than the sum of its proper divisors (1).
68296925663 is an equidigital number, since it uses as much as digits as its factorization.
68296925663 is an evil number, because the sum of its binary digits is even.
The product of its digits is 50388480, while the sum is 62.
The spelling of 68296925663 in words is "sixty-eight billion, two hundred ninety-six million, nine hundred twenty-five thousand, six hundred sixty-three".
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