Base | Representation |
---|---|
bin | 10000110101011011… |
… | …001011100000011010 |
3 | 1201122202112102110110 |
4 | 100311123023200122 |
5 | 244010000433100 |
6 | 12145403225150 |
7 | 1206642023424 |
oct | 206533134032 |
9 | 51582472413 |
10 | 18076186650 |
11 | 7736599635 |
12 | 36058181b6 |
13 | 1920c57042 |
14 | c369bd814 |
15 | 70be07250 |
hex | 4356cb81a |
18076186650 has 48 divisors (see below), whose sum is σ = 44866351584. Its totient is φ = 4816294080.
The previous prime is 18076186643. The next prime is 18076186663. The reversal of 18076186650 is 5668167081.
It is a self number, because there is not a number n which added to its sum of digits gives 18076186650.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132277 + ... + 231623.
It is an arithmetic number, because the mean of its divisors is an integer number (934715658).
Almost surely, 218076186650 is an apocalyptic number.
18076186650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18076186650 is an abundant number, since it is smaller than the sum of its proper divisors (26790164934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18076186650 is a wasteful number, since it uses less digits than its factorization.
18076186650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100575 (or 100570 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 48.
The spelling of 18076186650 in words is "eighteen billion, seventy-six million, one hundred eighty-six thousand, six hundred fifty".
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