Base | Representation |
---|---|
bin | 100101100111111011… |
… | …0000110111010101011 |
3 | 21201112211211101222122 |
4 | 1023033312012322223 |
5 | 2310432344313042 |
6 | 101041204541455 |
7 | 5560132512146 |
oct | 1131766067253 |
9 | 251484741878 |
10 | 80796479147 |
11 | 312a156270a |
12 | 137aa6b188b |
13 | 7808154257 |
14 | 3ca686905d |
15 | 217d39c7d2 |
hex | 12cfd86eab |
80796479147 has 4 divisors (see below), whose sum is σ = 83402817216. Its totient is φ = 78190141080.
The previous prime is 80796479129. The next prime is 80796479161. The reversal of 80796479147 is 74197469708.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80796479147 - 212 = 80796475051 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80796479147.
It is not an unprimeable number, because it can be changed into a prime (80796479107) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303168988 + ... + 1303169049.
It is an arithmetic number, because the mean of its divisors is an integer number (20850704304).
Almost surely, 280796479147 is an apocalyptic number.
80796479147 is a deficient number, since it is larger than the sum of its proper divisors (2606338069).
80796479147 is a wasteful number, since it uses less digits than its factorization.
80796479147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2606338068.
The product of its (nonzero) digits is 21337344, while the sum is 62.
The spelling of 80796479147 in words is "eighty billion, seven hundred ninety-six million, four hundred seventy-nine thousand, one hundred forty-seven".
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