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68182231163 is a prime number
BaseRepresentation
bin111111011111111110…
…100100100001111011
320111222201220012210212
4333133332210201323
52104114122344123
651153353501335
74632422255024
oct773776444173
9214881805725
1068182231163
1126a09101482
121126a11184b
1365779758a7
14342b435c4b
151b90c47878
hexfdffa487b

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".