Search a number
-
+
68290694163 = 332529284969
BaseRepresentation
bin111111100110011100…
…010100110000010011
320112021021222201002000
4333212130110300103
52104324404203123
651212230325043
74635210215466
oct774634246023
9215237881060
1068290694163
1126a6435331a
121129a4b9783
136594290493
14343b9cb2dd
151b9a51eb43
hexfe6714c13

68290694163 has 8 divisors (see below), whose sum is σ = 101171398800. Its totient is φ = 45527129424.

The previous prime is 68290694161. The next prime is 68290694201. The reversal of 68290694163 is 36149609286.

68290694163 is a `hidden beast` number, since 6 + 82 + 90 + 69 + 416 + 3 = 666.

It is not a de Polignac number, because 68290694163 - 21 = 68290694161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68290694161) 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 in 7 ways as a sum of consecutive naturals, for example, 1264642458 + ... + 1264642511.

It is an arithmetic number, because the mean of its divisors is an integer number (12646424850).

Almost surely, 268290694163 is an apocalyptic number.

68290694163 is a deficient number, since it is larger than the sum of its proper divisors (32880704637).

68290694163 is a wasteful number, since it uses less digits than its factorization.

68290694163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529284978 (or 2529284972 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 68290694163 in words is "sixty-eight billion, two hundred ninety million, six hundred ninety-four thousand, one hundred sixty-three".

Divisors: 1 3 9 27 2529284969 7587854907 22763564721 68290694163