Base | Representation |
---|---|
bin | 100101011010100110… |
… | …1111101101001010001 |
3 | 21200101201020002202221 |
4 | 1022311031331221101 |
5 | 2304024013412133 |
6 | 100525005541041 |
7 | 5543066405320 |
oct | 1126515755121 |
9 | 250351202687 |
10 | 80349747793 |
11 | 31092379847 |
12 | 136a4b74781 |
13 | 7766730283 |
14 | 3c633bc0b7 |
15 | 2154057a2d |
hex | 12b537da51 |
80349747793 has 8 divisors (see below), whose sum is σ = 91838844288. Its totient is φ = 68863291584.
The previous prime is 80349747773. The next prime is 80349747839. The reversal of 80349747793 is 39774794308.
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 80349747793 - 221 = 80347650641 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80349747713) 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, 594421 + ... + 716962.
It is an arithmetic number, because the mean of its divisors is an integer number (11479855536).
Almost surely, 280349747793 is an apocalyptic number.
It is an amenable number.
80349747793 is a deficient number, since it is larger than the sum of its proper divisors (11489096495).
80349747793 is a wasteful number, since it uses less digits than its factorization.
80349747793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1320143.
The product of its (nonzero) digits is 32006016, while the sum is 61.
The spelling of 80349747793 in words is "eighty billion, three hundred forty-nine million, seven hundred forty-seven thousand, seven hundred ninety-three".
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