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68126160960 = 263251113831993
BaseRepresentation
bin111111011100101000…
…101011100001000000
320111211211101112221200
4333130220223201000
52104010244122320
651144032021200
74631141546034
oct773450534100
9214754345850
1068126160960
112698a495070
1211253391800
136569173560
143423bdc1c4
151b8ad6e290
hexfdca2b840

68126160960 has 672 divisors, whose sum is σ = 278748183168. Its totient is φ = 15053783040.

The previous prime is 68126160943. The next prime is 68126160983. The reversal of 68126160960 is 6906162186.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34181724 + ... + 34183716.

It is an arithmetic number, because the mean of its divisors is an integer number (414803844).

Almost surely, 268126160960 is an apocalyptic number.

68126160960 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 68126160960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139374091584).

68126160960 is an abundant number, since it is smaller than the sum of its proper divisors (210622022208).

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

68126160960 is a wasteful number, since it uses less digits than its factorization.

68126160960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123 (or 2110 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 68126160960 in words is "sixty-eight billion, one hundred twenty-six million, one hundred sixty thousand, nine hundred sixty".