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68596192896 = 27372113110691
BaseRepresentation
bin111111111000101001…
…101101011010000000
320120001120211122112220
4333320221231122000
52110441111133041
651302422251040
74645610006400
oct777051553200
9216046748486
1068596192896
1127100843010
1211364886a80
13661266506a
14346a3d2800
151bb7267d66
hexff8a6d680

68596192896 has 384 divisors, whose sum is σ = 238707025920. Its totient is φ = 17240832000.

The previous prime is 68596192867. The next prime is 68596192901. The reversal of 68596192896 is 69829169586.

It is a tau number, because it is divible by the number of its divisors (384).

It is a self number, because there is not a number n which added to its sum of digits gives 68596192896.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6410911 + ... + 6421601.

It is an arithmetic number, because the mean of its divisors is an integer number (621632880).

Almost surely, 268596192896 is an apocalyptic number.

68596192896 is a gapful number since it is divisible by the number (66) 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 68596192896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119353512960).

68596192896 is an abundant number, since it is smaller than the sum of its proper divisors (170110833024).

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

68596192896 is a wasteful number, since it uses less digits than its factorization.

68596192896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10764 (or 10745 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 69.

The spelling of 68596192896 in words is "sixty-eight billion, five hundred ninety-six million, one hundred ninety-two thousand, eight hundred ninety-six".