Base | Representation |
---|---|
bin | 100101011101011011… |
… | …1000010111111011111 |
3 | 21200122022100010020111 |
4 | 1022322313002333133 |
5 | 2304222231404204 |
6 | 100542230430451 |
7 | 5545326102103 |
oct | 1127267027737 |
9 | 250568303214 |
10 | 80444403679 |
11 | 31130850152 |
12 | 13710802427 |
13 | 7780222483 |
14 | 3c71bbb903 |
15 | 215c503d04 |
hex | 12badc2fdf |
80444403679 has 8 divisors (see below), whose sum is σ = 82160409600. Its totient is φ = 78728582136.
The previous prime is 80444403673. The next prime is 80444403703. The reversal of 80444403679 is 97630444408.
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 80444403679 - 29 = 80444403167 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80444403673) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179382 + ... + 1245724.
It is an arithmetic number, because the mean of its divisors is an integer number (10270051200).
Almost surely, 280444403679 is an apocalyptic number.
80444403679 is a deficient number, since it is larger than the sum of its proper divisors (1716005921).
80444403679 is a wasteful number, since it uses less digits than its factorization.
80444403679 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92189.
The product of its (nonzero) digits is 2322432, while the sum is 49.
The spelling of 80444403679 in words is "eighty billion, four hundred forty-four million, four hundred three thousand, six hundred seventy-nine".
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