Base | Representation |
---|---|
bin | 1011000110001100110… |
… | …10000000110101110000 |
3 | 1100110011110120000220102 |
4 | 11203012122000311300 |
5 | 22221333133030000 |
6 | 451054342331532 |
7 | 36355422036425 |
oct | 5430632006560 |
9 | 1313143500812 |
10 | 381285830000 |
11 | 13777aa024a9 |
12 | 61a8ba29ba8 |
13 | 29c55479a7a |
14 | 1465098dd4c |
15 | 9db89be3d5 |
hex | 58c6680d70 |
381285830000 has 50 divisors (see below), whose sum is σ = 923131147224. Its totient is φ = 152514328000.
The previous prime is 381285829919. The next prime is 381285830017. The reversal of 381285830000 is 38582183.
It is a tau number, because it is divible by the number of its divisors (50).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19054292 + ... + 19074291.
Almost surely, 2381285830000 is an apocalyptic number.
It is an amenable number.
381285830000 is an abundant number, since it is smaller than the sum of its proper divisors (541845317224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381285830000 is an equidigital number, since it uses as much as digits as its factorization.
381285830000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38128611 (or 38128590 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 38.
The spelling of 381285830000 in words is "three hundred eighty-one billion, two hundred eighty-five million, eight hundred thirty thousand".
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