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76904222430 = 23571779367743
BaseRepresentation
bin100011110011111011…
…0010100111011011110
321100111120212021112110
41013213312110323132
52224444440104210
655155044214450
75361521051010
oct1074766247336
9240446767473
1076904222430
112a684479622
1212aa309a426
137337957979
143a179601b0
15200180b420
hex11e7d94ede

76904222430 has 256 divisors, whose sum is σ = 227094036480. Its totient is φ = 16268249088.

The previous prime is 76904222419. The next prime is 76904222449. The reversal of 76904222430 is 3422240967.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 103504639 + ... + 103505381.

It is an arithmetic number, because the mean of its divisors is an integer number (887086080).

Almost surely, 276904222430 is an apocalyptic number.

76904222430 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 76904222430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113547018240).

76904222430 is an abundant number, since it is smaller than the sum of its proper divisors (150189814050).

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

76904222430 is a wasteful number, since it uses less digits than its factorization.

76904222430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 76904222430 in words is "seventy-six billion, nine hundred four million, two hundred twenty-two thousand, four hundred thirty".