Search a number
-
+
68256874164748 = 22235412113708589
BaseRepresentation
bin11111000010100010010101…
…01111001111001000001100
322221200021220220211112020011
433201101022233033020030
532421310034241232443
6401100435231203004
720243252654350243
oct1741211257171014
9287607826745204
1068256874164748
111a82663a016285
1277a4781076464
132c11798749529
1412bd91674995a
157d57b8091b9d
hex3e144abcf20c

68256874164748 has 24 divisors (see below), whose sum is σ = 124645299740640. Its totient is φ = 32643986432640.

The previous prime is 68256874164737. The next prime is 68256874164749. The reversal of 68256874164748 is 84746147865286.

It is not an unprimeable number, because it can be changed into a prime (68256874164749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875163 + ... + 11833426.

It is an arithmetic number, because the mean of its divisors is an integer number (5193554155860).

Almost surely, 268256874164748 is an apocalyptic number.

It is an amenable number.

68256874164748 is a deficient number, since it is larger than the sum of its proper divisors (56388425575892).

68256874164748 is a wasteful number, since it uses less digits than its factorization.

68256874164748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13762737 (or 13762735 counting only the distinct ones).

The product of its digits is 3468165120, while the sum is 76.

The spelling of 68256874164748 in words is "sixty-eight trillion, two hundred fifty-six billion, eight hundred seventy-four million, one hundred sixty-four thousand, seven hundred forty-eight".

Divisors: 1 2 4 23 46 92 54121 108242 216484 1244783 2489566 4979132 13708589 27417178 54834356 315297547 630595094 1261190188 741922545269 1483845090538 2967690181076 17064218541187 34128437082374 68256874164748