Base | Representation |
---|---|
bin | 100000000101001110… |
… | …1110010111110100111 |
3 | 20120211102012122222102 |
4 | 1000022131302332213 |
5 | 2112044113404004 |
6 | 51352220122315 |
7 | 4656166226612 |
oct | 1001235627647 |
9 | 216742178872 |
10 | 68895059879 |
11 | 27244513218 |
12 | 1142899639b |
13 | 665c557229 |
14 | 3497d8d179 |
15 | 1bd360111e |
hex | 100a772fa7 |
68895059879 has 2 divisors, whose sum is σ = 68895059880. Its totient is φ = 68895059878.
The previous prime is 68895059837. The next prime is 68895059903. The reversal of 68895059879 is 97895059886.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68895059879 - 236 = 175583143 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68895059819) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34447529939 + 34447529940.
It is an arithmetic number, because the mean of its divisors is an integer number (34447529940).
Almost surely, 268895059879 is an apocalyptic number.
68895059879 is a deficient number, since it is larger than the sum of its proper divisors (1).
68895059879 is an equidigital number, since it uses as much as digits as its factorization.
68895059879 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 391910400, while the sum is 74.
The spelling of 68895059879 in words is "sixty-eight billion, eight hundred ninety-five million, fifty-nine thousand, eight hundred seventy-nine".
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