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68064300960 = 25354315121839
BaseRepresentation
bin111111011000111100…
…101100111110100000
320111200111222201222120
4333120330230332200
52103343430112320
651133542104240
74626461004135
oct773074547640
9214614881876
1068064300960
11269585837a7
121123671b080
1365593c4ac6
1434198d858c
151b85700440
hexfd8f2cfa0

68064300960 has 192 divisors, whose sum is σ = 220851671040. Its totient is φ = 17610163200.

The previous prime is 68064300947. The next prime is 68064300979. The reversal of 68064300960 is 6900346086.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3105721 + ... + 3127559.

It is an arithmetic number, because the mean of its divisors is an integer number (1150269120).

Almost surely, 268064300960 is an apocalyptic number.

68064300960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68064300960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110425835520).

68064300960 is an abundant number, since it is smaller than the sum of its proper divisors (152787370080).

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

68064300960 is a wasteful number, since it uses less digits than its factorization.

68064300960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22051 (or 22043 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 68064300960 in words is "sixty-eight billion, sixty-four million, three hundred thousand, nine hundred sixty".