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76621186968496 = 24234132909154313
BaseRepresentation
bin10001011010111111000010…
…101000011010101110110000
3101001021220200021000220002221
4101122333002220122232300
540020330142330442441
6430543142023050424
722065461304200542
oct2132770250325660
9331256607026087
1076621186968496
1122460954596095
1287158485a0a14
13339a46827c741
1414cc6b16bb692
158cd15d87b8d1
hex45afc2a1abb0

76621186968496 has 80 divisors (see below), whose sum is σ = 158692147427520. Its totient is φ = 35749819043840.

The previous prime is 76621186968439. The next prime is 76621186968509. The reversal of 76621186968496 is 69486968112667.

It is a super-2 number, since 2×766211869684962 (a number of 29 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 496453836 + ... + 496608148.

It is an arithmetic number, because the mean of its divisors is an integer number (1983651842844).

Almost surely, 276621186968496 is an apocalyptic number.

It is an amenable number.

76621186968496 is an abundant number, since it is smaller than the sum of its proper divisors (82070960459024).

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

76621186968496 is a wasteful number, since it uses less digits than its factorization.

76621186968496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187294 (or 187288 counting only the distinct ones).

The product of its digits is 2257403904, while the sum is 79.

The spelling of 76621186968496 in words is "seventy-six trillion, six hundred twenty-one billion, one hundred eighty-six million, nine hundred sixty-eight thousand, four hundred ninety-six".