Base | Representation |
---|---|
bin | 10001000001101100… |
… | …101111010110010100 |
3 | 1202012010000202002221 |
4 | 101001230233112110 |
5 | 244420210212000 |
6 | 12222041112124 |
7 | 1215022266124 |
oct | 210154572624 |
9 | 52163022087 |
10 | 18282116500 |
11 | 783186179a |
12 | 3662788644 |
13 | 195480941b |
14 | c560a6c84 |
15 | 72003361a |
hex | 441b2f594 |
18282116500 has 48 divisors (see below), whose sum is σ = 40856751936. Its totient is φ = 7142772000.
The previous prime is 18282116477. The next prime is 18282116507. The reversal of 18282116500 is 561128281.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18282116507) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403666 + ... + 446665.
It is an arithmetic number, because the mean of its divisors is an integer number (851182332).
Almost surely, 218282116500 is an apocalyptic number.
18282116500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18282116500 is an abundant number, since it is smaller than the sum of its proper divisors (22574635436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18282116500 is a wasteful number, since it uses less digits than its factorization.
18282116500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 850393 (or 850381 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 34.
The spelling of 18282116500 in words is "eighteen billion, two hundred eighty-two million, one hundred sixteen thousand, five hundred".
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