Base | Representation |
---|---|
bin | 10000110100000100… |
… | …000100010000000100 |
3 | 1201121011120020000120 |
4 | 100310010010100010 |
5 | 243433124203104 |
6 | 12143225541540 |
7 | 1206243642435 |
oct | 206404042004 |
9 | 51534506016 |
10 | 18053350404 |
11 | 7724711401 |
12 | 35ba0448b0 |
13 | 19192bc97b |
14 | c3395748c |
15 | 709de5cd9 |
hex | 434104404 |
18053350404 has 48 divisors (see below), whose sum is σ = 42846216000. Its totient is φ = 5914823040.
The previous prime is 18053350391. The next prime is 18053350421. The reversal of 18053350404 is 40405335081.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089042 + ... + 1105494.
It is an arithmetic number, because the mean of its divisors is an integer number (892629500).
Almost surely, 218053350404 is an apocalyptic number.
It is an amenable number.
18053350404 is an abundant number, since it is smaller than the sum of its proper divisors (24792865596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18053350404 is a wasteful number, since it uses less digits than its factorization.
18053350404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18020 (or 18018 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 33.
Adding to 18053350404 its reverse (40405335081), we get a palindrome (58458685485).
The spelling of 18053350404 in words is "eighteen billion, fifty-three million, three hundred fifty thousand, four hundred four".
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