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68595043968 = 27331119234129
BaseRepresentation
bin111111111000100101…
…010100111010000000
320120001111200021112000
4333320211110322000
52110440312401333
651302341504000
74645564152633
oct777045247200
9216044607460
1068595043968
1127100128890
1211364412000
136612352119
14346a1b3c1a
151bb70dc713
hexff8954e80

68595043968 has 512 divisors, whose sum is σ = 242645760000. Its totient is φ = 18831605760.

The previous prime is 68595043927. The next prime is 68595044017. The reversal of 68595043968 is 86934059586.

68595043968 is a `hidden beast` number, since 6 + 8 + 595 + 0 + 4 + 39 + 6 + 8 = 666.

68595043968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16610928 + ... + 16615056.

It is an arithmetic number, because the mean of its divisors is an integer number (473917500).

Almost surely, 268595043968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68595043968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121322880000).

68595043968 is an abundant number, since it is smaller than the sum of its proper divisors (174050716032).

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

68595043968 is a wasteful number, since it uses less digits than its factorization.

68595043968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205 (or 4187 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 68595043968 in words is "sixty-eight billion, five hundred ninety-five million, forty-three thousand, nine hundred sixty-eight".