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68074801413 = 379287235449
BaseRepresentation
bin111111011001100100…
…110000100100000101
320111201020202012220020
4333121210300210011
52103404122121123
651134555125353
74626646156533
oct773144604405
9214636665806
1068074801413
11269634a5963
121123a143859
13655b6303a8
14341b06d153
151b865c67e3
hexfd9930905

68074801413 has 8 divisors (see below), whose sum is σ = 91915344000. Its totient is φ = 44808729888.

The previous prime is 68074801381. The next prime is 68074801429. The reversal of 68074801413 is 31410847086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68074801413 - 25 = 68074801381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68074803413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143617488 + ... + 143617961.

It is an arithmetic number, because the mean of its divisors is an integer number (11489418000).

Almost surely, 268074801413 is an apocalyptic number.

It is an amenable number.

68074801413 is a deficient number, since it is larger than the sum of its proper divisors (23840542587).

68074801413 is a wasteful number, since it uses less digits than its factorization.

68074801413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287235531.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 68074801413 in words is "sixty-eight billion, seventy-four million, eight hundred one thousand, four hundred thirteen".

Divisors: 1 3 79 237 287235449 861706347 22691600471 68074801413