Base | Representation |
---|---|
bin | 10000110100000100… |
… | …101011100010000100 |
3 | 1201121011212101201200 |
4 | 100310010223202010 |
5 | 243433144330200 |
6 | 12143233222500 |
7 | 1206245212506 |
oct | 206404534204 |
9 | 51534771650 |
10 | 18053511300 |
11 | 7724811280 |
12 | 35ba101a30 |
13 | 1919347c86 |
14 | c33999d76 |
15 | 709e28800 |
hex | 43412b884 |
18053511300 has 216 divisors, whose sum is σ = 63169186080. Its totient is φ = 4274726400.
The previous prime is 18053511299. The next prime is 18053511313. The reversal of 18053511300 is 311535081.
18053511300 is a `hidden beast` number, since 1 + 8 + 0 + 5 + 351 + 1 + 300 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 404496 + ... + 446904.
Almost surely, 218053511300 is an apocalyptic number.
18053511300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18053511300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31584593040).
18053511300 is an abundant number, since it is smaller than the sum of its proper divisors (45115674780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18053511300 is a wasteful number, since it uses less digits than its factorization.
18053511300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42483 (or 42473 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 27.
The spelling of 18053511300 in words is "eighteen billion, fifty-three million, five hundred eleven thousand, three hundred".
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