Base | Representation |
---|---|
bin | 111111011111111110… |
… | …100100100001111011 |
3 | 20111222201220012210212 |
4 | 333133332210201323 |
5 | 2104114122344123 |
6 | 51153353501335 |
7 | 4632422255024 |
oct | 773776444173 |
9 | 214881805725 |
10 | 68182231163 |
11 | 26a09101482 |
12 | 1126a11184b |
13 | 65779758a7 |
14 | 342b435c4b |
15 | 1b90c47878 |
hex | fdffa487b |
68182231163 has 2 divisors, whose sum is σ = 68182231164. Its totient is φ = 68182231162.
The previous prime is 68182231129. The next prime is 68182231199. The reversal of 68182231163 is 36113228186.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68182231163 - 26 = 68182231099 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68182231163.
It is not a weakly prime, because it can be changed into another prime (68182231363) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34091115581 + 34091115582.
It is an arithmetic number, because the mean of its divisors is an integer number (34091115582).
Almost surely, 268182231163 is an apocalyptic number.
68182231163 is a deficient number, since it is larger than the sum of its proper divisors (1).
68182231163 is an equidigital number, since it uses as much as digits as its factorization.
68182231163 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 82944, while the sum is 41.
The spelling of 68182231163 in words is "sixty-eight billion, one hundred eighty-two million, two hundred thirty-one thousand, one hundred sixty-three".
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