Search a number
-
+
68079953184 = 253709166179
BaseRepresentation
bin111111011001111000…
…011010010100100000
320111201121102221210120
4333121320122110200
52103411432000214
651135301400240
74630041024345
oct773170322440
9214647387716
1068079953184
11269663a4521
121123ba09080
13655c715289
14341ba107cc
151b86c92ea9
hexfd9e1a520

68079953184 has 24 divisors (see below), whose sum is σ = 178709877360. Its totient is φ = 22693317696.

The previous prime is 68079953171. The next prime is 68079953191. The reversal of 68079953184 is 48135997086.

68079953184 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354582994 + ... + 354583185.

It is an arithmetic number, because the mean of its divisors is an integer number (7446244890).

Almost surely, 268079953184 is an apocalyptic number.

It is an amenable number.

68079953184 is an abundant number, since it is smaller than the sum of its proper divisors (110629924176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68079953184 is a wasteful number, since it uses less digits than its factorization.

68079953184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709166192 (or 709166184 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 68079953184 in words is "sixty-eight billion, seventy-nine million, nine hundred fifty-three thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 709166179 1418332358 2127498537 2836664716 4254997074 5673329432 8509994148 11346658864 17019988296 22693317728 34039976592 68079953184