Base | Representation |
---|---|
bin | 1000010100100110111001… |
… | …01100000010010001100000 |
3 | 2101210111011210211020121010 |
4 | 10022103130230002101200 |
5 | 4344312414340242003 |
6 | 102531005211500520 |
7 | 3566102403506412 |
oct | 412233454022140 |
9 | 71714153736533 |
10 | 18300263212128 |
11 | 5916109550737 |
12 | 2076869157740 |
13 | a299272685b1 |
14 | 473a478689b2 |
15 | 21b07270b003 |
hex | 10a4dcb02460 |
18300263212128 has 96 divisors (see below), whose sum is σ = 48226798642176. Its totient is φ = 6076143295488.
The previous prime is 18300263212043. The next prime is 18300263212159. The reversal of 18300263212128 is 82121236200381.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227368500 + ... + 227448972.
It is an arithmetic number, because the mean of its divisors is an integer number (502362485856).
Almost surely, 218300263212128 is an apocalyptic number.
It is an amenable number.
18300263212128 is an abundant number, since it is smaller than the sum of its proper divisors (29926535430048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18300263212128 is a wasteful number, since it uses less digits than its factorization.
18300263212128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89756 (or 89748 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 39.
The spelling of 18300263212128 in words is "eighteen trillion, three hundred billion, two hundred sixty-three million, two hundred twelve thousand, one hundred twenty-eight".
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