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68826935736 = 233413471311327
BaseRepresentation
bin100000000011001100…
…1111011000110111000
320120122200000121020000
41000012121323012320
52111424143420421
651341344033000
74654411205136
oct1000631730670
9216580017200
1068826935736
112720a013579
121140a002760
13664b3c44a0
14348ccd8756
151bcc646226
hex100667b1b8

68826935736 has 320 divisors, whose sum is σ = 213805025280. Its totient is φ = 20553212160.

The previous prime is 68826935713. The next prime is 68826935753. The reversal of 68826935736 is 63753962886.

Its product of digits (78382080) is a multiple of the sum of its prime factors (1536).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 51865905 + ... + 51867231.

It is an arithmetic number, because the mean of its divisors is an integer number (668140704).

Almost surely, 268826935736 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 68826935736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106902512640).

68826935736 is an abundant number, since it is smaller than the sum of its proper divisors (144978089544).

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

68826935736 is a wasteful number, since it uses less digits than its factorization.

68826935736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536 (or 1523 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The spelling of 68826935736 in words is "sixty-eight billion, eight hundred twenty-six million, nine hundred thirty-five thousand, seven hundred thirty-six".