Base | Representation |
---|---|
bin | 100101100100000110… |
… | …0010011101010101011 |
3 | 21201012220020002120201 |
4 | 1023020030103222223 |
5 | 2310202012041221 |
6 | 101020340533031 |
7 | 5554013242033 |
oct | 1131014235253 |
9 | 251186202521 |
10 | 80668080811 |
11 | 3123603508a |
12 | 137736b1177 |
13 | 77b76797c6 |
14 | 3c937a48c3 |
15 | 2171e88891 |
hex | 12c8313aab |
80668080811 has 8 divisors (see below), whose sum is σ = 83456755200. Its totient is φ = 77879874240.
The previous prime is 80668080739. The next prime is 80668080827. The reversal of 80668080811 is 11808086608.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80668080811 - 223 = 80659692203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80668080881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253846 + ... + 475156.
It is an arithmetic number, because the mean of its divisors is an integer number (10432094400).
Almost surely, 280668080811 is an apocalyptic number.
80668080811 is a deficient number, since it is larger than the sum of its proper divisors (2788674389).
80668080811 is a wasteful number, since it uses less digits than its factorization.
80668080811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 233909.
The product of its (nonzero) digits is 147456, while the sum is 46.
The spelling of 80668080811 in words is "eighty billion, six hundred sixty-eight million, eighty thousand, eight hundred eleven".
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