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68117750775137 = 735121727706823
BaseRepresentation
bin11110111110011111001100…
…10101100111110101100001
322221011222211011122001212102
433133033212111213311201
532412020123144301022
6400512510202140145
720230226236142330
oct1737174625476541
9287158734561772
1068117750775137
111a782637539538
127781814ab1655
132c01626681a0b
1412b6cb9709d17
157d1d742cba92
hex3df3e6567d61

68117750775137 has 8 divisors (see below), whose sum is σ = 77849082493056. Its totient is φ = 58386475173312.

The previous prime is 68117750775097. The next prime is 68117750775187. The reversal of 68117750775137 is 73157705771186.

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

It is a cyclic number.

It is not a de Polignac number, because 68117750775137 - 26 = 68117750775073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68117750775187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11394893 + ... + 16311930.

It is an arithmetic number, because the mean of its divisors is an integer number (9731135311632).

Almost surely, 268117750775137 is an apocalyptic number.

It is an amenable number.

68117750775137 is a deficient number, since it is larger than the sum of its proper divisors (9731331717919).

68117750775137 is a wasteful number, since it uses less digits than its factorization.

68117750775137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28058047.

The product of its (nonzero) digits is 60505200, while the sum is 65.

The spelling of 68117750775137 in words is "sixty-eight trillion, one hundred seventeen billion, seven hundred fifty million, seven hundred seventy-five thousand, one hundred thirty-seven".

Divisors: 1 7 351217 2458519 27706823 193947761 9731107253591 68117750775137