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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".

Divisors: 1 2 4 8 16 23 41 46 82 92 164 184 328 368 656 943 1886 3772 7544 15088 32909 65818 131636 154313 263272 308626 526544 617252 756907 1234504 1349269 1513814 2469008 2698538 3027628 3549199 5397076 6055256 6326833 7098398 10794152 12110512 12653666 14196796 21588304 25307332 28393592 31033187 50614664 56787184 62066374 101229328 124132748 145517159 248265496 291034318 496530992 582068636 1164137272 2328274544 5078286517 10156573034 20313146068 40626292136 81252584272 116800589891 208209747197 233601179782 416419494394 467202359564 832838988788 934404719128 1665677977576 1868809438256 3331355955152 4788824185531 9577648371062 19155296742124 38310593484248 76621186968496