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80159603986 = 2711247319719
BaseRepresentation
bin100101010100111100…
…0100111110100010010
321122220110102210111201
41022221320213310102
52303131324311421
6100454054301414
75535300251230
oct1125170476422
9248813383451
1080159603986
1130aa5008a00
121365135786a
137736217247
143c46043950
1521424e8b91
hex12a9e27d12

80159603986 has 24 divisors (see below), whose sum is σ = 151044546240. Its totient is φ = 31231013880.

The previous prime is 80159603911. The next prime is 80159604001. The reversal of 80159603986 is 68930695108.

It is a happy number.

It is a super-2 number, since 2×801596039862 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23658166 + ... + 23661553.

It is an arithmetic number, because the mean of its divisors is an integer number (6293522760).

Almost surely, 280159603986 is an apocalyptic number.

80159603986 is a deficient number, since it is larger than the sum of its proper divisors (70884942254).

80159603986 is a wasteful number, since it uses less digits than its factorization.

80159603986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47319750 (or 47319739 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 80159603986 in words is "eighty billion, one hundred fifty-nine million, six hundred three thousand, nine hundred eighty-six".

Divisors: 1 2 7 11 14 22 77 121 154 242 847 1694 47319719 94639438 331238033 520516909 662476066 1041033818 3643618363 5725685999 7287236726 11451371998 40079801993 80159603986