Base | Representation |
---|---|
bin | 10001001101110000… |
… | …001100110010101101 |
3 | 1202201012120021111012 |
4 | 101031300030302231 |
5 | 300323443201000 |
6 | 12254103435005 |
7 | 1223026245413 |
oct | 211560146255 |
9 | 52635507435 |
10 | 18484350125 |
11 | 7925a2a91a |
12 | 36ba455a65 |
13 | 19876962a7 |
14 | c74cab2b3 |
15 | 732b7e735 |
hex | 44dc0ccad |
18484350125 has 8 divisors (see below), whose sum is σ = 23068469112. Its totient is φ = 14787480000.
The previous prime is 18484350097. The next prime is 18484350139. The reversal of 18484350125 is 52105348481.
It can be written as a sum of positive squares in 4 ways, for example, as 4006003849 + 14478346276 = 63293^2 + 120326^2 .
It is not a de Polignac number, because 18484350125 - 222 = 18480155821 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 7 ways as a sum of consecutive naturals, for example, 73937276 + ... + 73937525.
It is an arithmetic number, because the mean of its divisors is an integer number (2883558639).
Almost surely, 218484350125 is an apocalyptic number.
It is an amenable number.
18484350125 is a deficient number, since it is larger than the sum of its proper divisors (4584118987).
18484350125 is an equidigital number, since it uses as much as digits as its factorization.
18484350125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147874816 (or 147874806 counting only the distinct ones).
The product of its (nonzero) digits is 153600, while the sum is 41.
The spelling of 18484350125 in words is "eighteen billion, four hundred eighty-four million, three hundred fifty thousand, one hundred twenty-five".
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