Base | Representation |
---|---|
bin | 10001100100110111… |
… | …010101011010100010 |
3 | 1210201020011211102000 |
4 | 101210313111122202 |
5 | 302122224041133 |
6 | 12400354304430 |
7 | 1235445113160 |
oct | 214467253242 |
9 | 53636154360 |
10 | 18872096418 |
11 | 80048963aa |
12 | 37a8288116 |
13 | 1a19b07276 |
14 | cb05a2230 |
15 | 756c22413 |
hex | 464dd56a2 |
18872096418 has 32 divisors (see below), whose sum is σ = 47929134720. Its totient is φ = 5392027440.
The previous prime is 18872096417. The next prime is 18872096429. The reversal of 18872096418 is 81469027881.
18872096418 is a `hidden beast` number, since 18 + 8 + 7 + 209 + 6 + 418 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (18872096417) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24962713 + ... + 24963468.
It is an arithmetic number, because the mean of its divisors is an integer number (1497785460).
Almost surely, 218872096418 is an apocalyptic number.
18872096418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
18872096418 is an abundant number, since it is smaller than the sum of its proper divisors (29057038302).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18872096418 is a wasteful number, since it uses less digits than its factorization.
18872096418 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49926199 (or 49926193 counting only the distinct ones).
The product of its (nonzero) digits is 1548288, while the sum is 54.
The spelling of 18872096418 in words is "eighteen billion, eight hundred seventy-two million, ninety-six thousand, four hundred eighteen".
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