Base | Representation |
---|---|
bin | 10001000111101011… |
… | …000111001011100101 |
3 | 1202110002122021220112 |
4 | 101013223013023211 |
5 | 300121340300000 |
6 | 12240021342405 |
7 | 1220350265153 |
oct | 210753071345 |
9 | 52402567815 |
10 | 18382353125 |
11 | 78833a4a84 |
12 | 3690267a05 |
13 | 196c503836 |
14 | c6551a3d3 |
15 | 728c33235 |
hex | 447ac72e5 |
18382353125 has 12 divisors (see below), whose sum is σ = 22976474724. Its totient is φ = 14705880000.
The previous prime is 18382353071. The next prime is 18382353131. The reversal of 18382353125 is 52135328381.
It can be written as a sum of positive squares in 6 ways, for example, as 12887244484 + 5495108641 = 113522^2 + 74129^2 .
It is not a de Polignac number, because 18382353125 - 214 = 18382336741 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2938052 + ... + 2944301.
It is an arithmetic number, because the mean of its divisors is an integer number (1914706227).
Almost surely, 218382353125 is an apocalyptic number.
It is an amenable number.
18382353125 is a deficient number, since it is larger than the sum of its proper divisors (4594121599).
18382353125 is an frugal number, since it uses more digits than its factorization.
18382353125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5882378 (or 5882358 counting only the distinct ones).
The product of its digits is 172800, while the sum is 41.
The spelling of 18382353125 in words is "eighteen billion, three hundred eighty-two million, three hundred fifty-three thousand, one hundred twenty-five".
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