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68882410775 = 5223119795497
BaseRepresentation
bin100000000100110110…
…1100010110100010111
320120210112102000200002
41000021231202310113
52112032344121100
651351045041515
74655653555013
oct1001155426427
9216715360602
1068882410775
1127238363812
12114246b629b
136659a48959
143496419543
151bd24532d5
hex1009b62d17

68882410775 has 12 divisors (see below), whose sum is σ = 89127850512. Its totient is φ = 52710018240.

The previous prime is 68882410763. The next prime is 68882410799. The reversal of 68882410775 is 57701428886.

It is not a de Polignac number, because 68882410775 - 26 = 68882410711 is a prime.

It is a super-2 number, since 2×688824107752 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68882410775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59897174 + ... + 59898323.

It is an arithmetic number, because the mean of its divisors is an integer number (7427320876).

Almost surely, 268882410775 is an apocalyptic number.

68882410775 is a deficient number, since it is larger than the sum of its proper divisors (20245439737).

68882410775 is a wasteful number, since it uses less digits than its factorization.

68882410775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119795530 (or 119795525 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 56.

The spelling of 68882410775 in words is "sixty-eight billion, eight hundred eighty-two million, four hundred ten thousand, seven hundred seventy-five".

Divisors: 1 5 23 25 115 575 119795497 598977485 2755296431 2994887425 13776482155 68882410775