Base | Representation |
---|---|
bin | 10000111000100000… |
… | …101110000000001100 |
3 | 1201210100222022022000 |
4 | 100320200232000030 |
5 | 244111230022231 |
6 | 12154453152300 |
7 | 1211141130261 |
oct | 207040560014 |
9 | 51710868260 |
10 | 18127970316 |
11 | 7762848455 |
12 | 361b02b690 |
13 | 192b8b8271 |
14 | c3d81d268 |
15 | 7117356e6 |
hex | 43882e00c |
18127970316 has 48 divisors (see below), whose sum is σ = 48514529280. Its totient is φ = 5847731280.
The previous prime is 18127970293. The next prime is 18127970321. The reversal of 18127970316 is 61307972181.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2703936 + ... + 2710631.
It is an arithmetic number, because the mean of its divisors is an integer number (1010719360).
Almost surely, 218127970316 is an apocalyptic number.
It is an amenable number.
18127970316 is an abundant number, since it is smaller than the sum of its proper divisors (30386558964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18127970316 is a wasteful number, since it uses less digits than its factorization.
18127970316 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5414611 (or 5414603 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 45.
The spelling of 18127970316 in words is "eighteen billion, one hundred twenty-seven million, nine hundred seventy thousand, three hundred sixteen".
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