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80880896816986 = 27337853180111159
BaseRepresentation
bin10010011000111110001101…
…000111111011011101011010
3101121101010201202121212020111
4102120332031013323131122
541100123034041120421
6444004100540314534
723015311010404630
oct2230761507733532
9347333652555214
1080880896816986
1123853439768882
1290a3314842a4a
133619060994326
1415d8928c23350
15953d6ece7ee1
hex498f8d1fb75a

80880896816986 has 64 divisors (see below), whose sum is σ = 139317218127360. Its totient is φ = 34497608140800.

The previous prime is 80880896816977. The next prime is 80880896816987. The reversal of 80880896816986 is 68961869808808.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80880896816987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7248036075 + ... + 7248047233.

It is an arithmetic number, because the mean of its divisors is an integer number (2176831533240).

Almost surely, 280880896816986 is an apocalyptic number.

80880896816986 is a deficient number, since it is larger than the sum of its proper divisors (58436321310374).

80880896816986 is a wasteful number, since it uses less digits than its factorization.

80880896816986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14159.

The product of its (nonzero) digits is 4586471424, while the sum is 85.

The spelling of 80880896816986 in words is "eighty trillion, eight hundred eighty billion, eight hundred ninety-six million, eight hundred sixteen thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 337 674 853 1706 1801 2359 3602 4718 5971 11159 11942 12607 22318 25214 78113 156226 287461 574922 606937 1213874 1536253 2012227 3072506 3760583 4024454 4248559 7521166 8497118 9518627 10753771 19037254 20097359 21507542 26324081 40194718 52648162 66630389 133260778 140681513 281363026 517717261 1035434522 3207777299 3624020827 6415554598 6772809983 7248041654 13545619966 17143047227 22454441093 34286094454 44908882186 47409669881 94819339762 120001330589 240002661178 5777206915499 11554413830998 40440448408493 80880896816986