Base | Representation |
---|---|
bin | 10001111110110101… |
… | …101000110001101000 |
3 | 1211211121010212100200 |
4 | 101332311220301220 |
5 | 304020302442143 |
6 | 12511522232200 |
7 | 1252316044152 |
oct | 217665506150 |
9 | 54747125320 |
10 | 19307859048 |
11 | 8208868305 |
12 | 38aa1b5660 |
13 | 1a8918a78a |
14 | d123d5ad2 |
15 | 7800ec1d3 |
hex | 47ed68c68 |
19307859048 has 48 divisors (see below), whose sum is σ = 52378385280. Its totient is φ = 6425335584.
The previous prime is 19307859037. The next prime is 19307859061. The reversal of 19307859048 is 84095870391.
19307859048 is a `hidden beast` number, since 1 + 9 + 3 + 0 + 7 + 8 + 590 + 48 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 19307858985 and 19307859003.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177190 + ... + 264597.
It is an arithmetic number, because the mean of its divisors is an integer number (1091216360).
Almost surely, 219307859048 is an apocalyptic number.
19307859048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
19307859048 is an abundant number, since it is smaller than the sum of its proper divisors (33070526232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19307859048 is a wasteful number, since it uses less digits than its factorization.
19307859048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 442406 (or 442399 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 54.
The spelling of 19307859048 in words is "nineteen billion, three hundred seven million, eight hundred fifty-nine thousand, forty-eight".
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