Base | Representation |
---|---|
bin | 10010011000111110001101… |
… | …000111111011011101011010 |
3 | 101121101010201202121212020111 |
4 | 102120332031013323131122 |
5 | 41100123034041120421 |
6 | 444004100540314534 |
7 | 23015311010404630 |
oct | 2230761507733532 |
9 | 347333652555214 |
10 | 80880896816986 |
11 | 23853439768882 |
12 | 90a3314842a4a |
13 | 3619060994326 |
14 | 15d8928c23350 |
15 | 953d6ece7ee1 |
hex | 498f8d1fb75a |
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".
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