Base | Representation |
---|---|
bin | 10001000010011111… |
… | …110000100000101000 |
3 | 1202020001012012220222 |
4 | 101002133300200220 |
5 | 244432121144400 |
6 | 12223235505212 |
7 | 1215244050512 |
oct | 210237604050 |
9 | 52201165828 |
10 | 18295490600 |
11 | 7839366972 |
12 | 3667158208 |
13 | 195750c9aa |
14 | c57b88bb2 |
15 | 7212c6185 |
hex | 4427f0828 |
18295490600 has 24 divisors (see below), whose sum is σ = 42537016110. Its totient is φ = 7318196160.
The previous prime is 18295490581. The next prime is 18295490617. The reversal of 18295490600 is 609459281.
It can be written as a sum of positive squares in 3 ways, for example, as 10350620644 + 7944869956 = 101738^2 + 89134^2 .
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 5 ways as a sum of consecutive naturals, for example, 45738527 + ... + 45738926.
Almost surely, 218295490600 is an apocalyptic number.
18295490600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18295490600 is an abundant number, since it is smaller than the sum of its proper divisors (24241525510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18295490600 is a wasteful number, since it uses less digits than its factorization.
18295490600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91477469 (or 91477460 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 44.
The spelling of 18295490600 in words is "eighteen billion, two hundred ninety-five million, four hundred ninety thousand, six hundred".
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