Base | Representation |
---|---|
bin | 10001000111110000… |
… | …000101010110111110 |
3 | 1202110012002111122022 |
4 | 101013300011112332 |
5 | 300122204001012 |
6 | 12240105320142 |
7 | 1220364333560 |
oct | 210760052676 |
9 | 52405074568 |
10 | 18383656382 |
11 | 7884105153 |
12 | 3690796052 |
13 | 196c86bab0 |
14 | c65779330 |
15 | 728dde472 |
hex | 447c055be |
18383656382 has 32 divisors (see below), whose sum is σ = 34250462400. Its totient is φ = 7205925888.
The previous prime is 18383656381. The next prime is 18383656387. The reversal of 18383656382 is 28365638381.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18383656381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443507 + ... + 483182.
It is an arithmetic number, because the mean of its divisors is an integer number (1070326950).
Almost surely, 218383656382 is an apocalyptic number.
18383656382 is a deficient number, since it is larger than the sum of its proper divisors (15866806018).
18383656382 is a wasteful number, since it uses less digits than its factorization.
18383656382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 926820.
The product of its digits is 4976640, while the sum is 53.
The spelling of 18383656382 in words is "eighteen billion, three hundred eighty-three million, six hundred fifty-six thousand, three hundred eighty-two".
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