Base | Representation |
---|---|
bin | 10001000011101001… |
… | …110010110111010110 |
3 | 1202021101201021002222 |
4 | 101003221302313112 |
5 | 300002103231102 |
6 | 12225211502342 |
7 | 1215601033466 |
oct | 210351626726 |
9 | 52241637088 |
10 | 18314898902 |
11 | 7849312693 |
12 | 36717579b2 |
13 | 195b5469b1 |
14 | c5a59bba6 |
15 | 722d5baa2 |
hex | 443a72dd6 |
18314898902 has 16 divisors (see below), whose sum is σ = 28510496640. Its totient is φ = 8813418432.
The previous prime is 18314898887. The next prime is 18314898907. The reversal of 18314898902 is 20989841381.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18314898907) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486278 + ... + 522585.
It is an arithmetic number, because the mean of its divisors is an integer number (1781906040).
Almost surely, 218314898902 is an apocalyptic number.
18314898902 is a deficient number, since it is larger than the sum of its proper divisors (10195597738).
18314898902 is a wasteful number, since it uses less digits than its factorization.
18314898902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1009207.
The product of its (nonzero) digits is 995328, while the sum is 53.
The spelling of 18314898902 in words is "eighteen billion, three hundred fourteen million, eight hundred ninety-eight thousand, nine hundred two".
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