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136682263931 is a prime number
BaseRepresentation
bin111111101001011100…
…1011101010101111011
3111001210121210102110112
41333102321131111323
54214411124421211
6142442503134535
712606054034253
oct1772271352573
9431717712415
10136682263931
1152a6a635a04
12225a674444b
13cb7340cb65
146888b56963
15384e81888b
hex1fd2e5d57b

136682263931 has 2 divisors, whose sum is σ = 136682263932. Its totient is φ = 136682263930.

The previous prime is 136682263903. The next prime is 136682263969. The reversal of 136682263931 is 139362286631.

It is a weak prime.

It is an emirp because it is prime and its reverse (139362286631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136682263931 - 230 = 135608522107 is a prime.

It is a super-2 number, since 2×1366822639312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136682263931.

It is not a weakly prime, because it can be changed into another prime (136682269931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68341131965 + 68341131966.

It is an arithmetic number, because the mean of its divisors is an integer number (68341131966).

Almost surely, 2136682263931 is an apocalyptic number.

136682263931 is a deficient number, since it is larger than the sum of its proper divisors (1).

136682263931 is an equidigital number, since it uses as much as digits as its factorization.

136682263931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 50.

The spelling of 136682263931 in words is "one hundred thirty-six billion, six hundred eighty-two million, two hundred sixty-three thousand, nine hundred thirty-one".