Base | Representation |
---|---|
bin | 100101010001100110… |
… | …0011000101000001100 |
3 | 21122121122012101221122 |
4 | 1022203030120220030 |
5 | 2302414110003030 |
6 | 100435004220112 |
7 | 5532435125111 |
oct | 1124314305014 |
9 | 248548171848 |
10 | 80047344140 |
11 | 30a47703475 |
12 | 1361b83a638 |
13 | 7718ba03ba |
14 | 3c35180908 |
15 | 21377218e5 |
hex | 12a3318a0c |
80047344140 has 48 divisors (see below), whose sum is σ = 169761215232. Its totient is φ = 31702727616.
The previous prime is 80047344137. The next prime is 80047344191. The reversal of 80047344140 is 4144374008.
It is a self number, because there is not a number n which added to its sum of digits gives 80047344140.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4457219 + ... + 4475141.
It is an arithmetic number, because the mean of its divisors is an integer number (3536691984).
Almost surely, 280047344140 is an apocalyptic number.
It is an amenable number.
80047344140 is an abundant number, since it is smaller than the sum of its proper divisors (89713871092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80047344140 is a wasteful number, since it uses less digits than its factorization.
80047344140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20126 (or 20124 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 35.
The spelling of 80047344140 in words is "eighty billion, forty-seven million, three hundred forty-four thousand, one hundred forty".
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