Base | Representation |
---|---|
bin | 10000111010010111… |
… | …010010000001001000 |
3 | 1201212112110100201221 |
4 | 100322113102001020 |
5 | 244142204111244 |
6 | 12201523251424 |
7 | 1211666246065 |
oct | 207227220110 |
9 | 51775410657 |
10 | 18159050824 |
11 | 7779346722 |
12 | 3629519b74 |
13 | 193517acb5 |
14 | c439cdc6c |
15 | 714324784 |
hex | 43a5d2048 |
18159050824 has 32 divisors (see below), whose sum is σ = 34183270080. Its totient is φ = 9043561024.
The previous prime is 18159050813. The next prime is 18159050851. The reversal of 18159050824 is 42805095181.
It is a super-2 number, since 2×181590508242 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4529829 + ... + 4533835.
It is an arithmetic number, because the mean of its divisors is an integer number (1068227190).
Almost surely, 218159050824 is an apocalyptic number.
It is an amenable number.
18159050824 is a deficient number, since it is larger than the sum of its proper divisors (16024219256).
18159050824 is a wasteful number, since it uses less digits than its factorization.
18159050824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6117 (or 6113 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 43.
The spelling of 18159050824 in words is "eighteen billion, one hundred fifty-nine million, fifty thousand, eight hundred twenty-four".
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