Base | Representation |
---|---|
bin | 100101101000011100… |
… | …1001110010111001011 |
3 | 21201121001221021121121 |
4 | 1023100321032113023 |
5 | 2311001400321131 |
6 | 101043034020111 |
7 | 5560435201060 |
oct | 1132071162713 |
9 | 251531837547 |
10 | 80814073291 |
11 | 3130048a426 |
12 | 137b4577637 |
13 | 780b9a45a3 |
14 | 3ca8d28c67 |
15 | 217ebc5911 |
hex | 12d0e4e5cb |
80814073291 has 16 divisors (see below), whose sum is σ = 95741657856. Its totient is φ = 66767162976.
The previous prime is 80814073271. The next prime is 80814073297. The reversal of 80814073291 is 19237041808.
It is a cyclic number.
It is not a de Polignac number, because 80814073291 - 27 = 80814073163 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80814073297) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430341 + ... + 1485766.
It is an arithmetic number, because the mean of its divisors is an integer number (5983853616).
Almost surely, 280814073291 is an apocalyptic number.
80814073291 is a deficient number, since it is larger than the sum of its proper divisors (14927584565).
80814073291 is a wasteful number, since it uses less digits than its factorization.
80814073291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2916258.
The product of its (nonzero) digits is 96768, while the sum is 43.
The spelling of 80814073291 in words is "eighty billion, eight hundred fourteen million, seventy-three thousand, two hundred ninety-one".
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