Base | Representation |
---|---|
bin | 1000001110001101010100… |
… | …11100101001111000011100 |
3 | 2101000110121120002122212012 |
4 | 10013012222130221320130 |
5 | 4332212103002042124 |
6 | 102242002134530352 |
7 | 3544156411442222 |
oct | 407065234517034 |
9 | 71013546078765 |
10 | 18080376987164 |
11 | 5840932500378 |
12 | 20401218069b8 |
13 | a11c83cc91cb |
14 | 46714863ab12 |
15 | 2154a34e1e0e |
hex | 1071aa729e1c |
18080376987164 has 24 divisors (see below), whose sum is σ = 33016496129568. Its totient is φ = 8647096082240.
The previous prime is 18080376986989. The next prime is 18080376987193. The reversal of 18080376987164 is 46178967308081.
It is a junction number, because it is equal to n+sod(n) for n = 18080376987094 and 18080376987103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30024794 + ... + 30621054.
It is an arithmetic number, because the mean of its divisors is an integer number (1375687338732).
Almost surely, 218080376987164 is an apocalyptic number.
It is an amenable number.
18080376987164 is a deficient number, since it is larger than the sum of its proper divisors (14936119142404).
18080376987164 is a wasteful number, since it uses less digits than its factorization.
18080376987164 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 925885 (or 925883 counting only the distinct ones).
The product of its (nonzero) digits is 97542144, while the sum is 68.
The spelling of 18080376987164 in words is "eighteen trillion, eighty billion, three hundred seventy-six million, nine hundred eighty-seven thousand, one hundred sixty-four".
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