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77196426048 = 26327191007681
BaseRepresentation
bin100011111100101000…
…0111111101101000000
321101020221200202112200
41013321100333231000
52231044241113143
655244043153200
75401666536420
oct1077120775500
9241227622480
1077196426048
112a814408515
1212b64b15800
137383355c11
143a446a4480
15201c2ca1d3
hex11f943fb40

77196426048 has 168 divisors, whose sum is σ = 266189277120. Its totient is φ = 20895252480.

The previous prime is 77196426023. The next prime is 77196426049. The reversal of 77196426048 is 84062469177.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-4 number, since 4×771964260484 (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77196425985 and 77196426003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77196426049) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 427233 + ... + 580448.

Almost surely, 277196426048 is an apocalyptic number.

It is an amenable number.

77196426048 is an abundant number, since it is smaller than the sum of its proper divisors (188992851072).

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

77196426048 is a wasteful number, since it uses less digits than its factorization.

77196426048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007725 (or 1007712 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 77196426048 in words is "seventy-seven billion, one hundred ninety-six million, four hundred twenty-six thousand, forty-eight".