Base | Representation |
---|---|
bin | 1000100011111110001000… |
… | …11011111111011010111000 |
3 | 2110122221201021002212122222 |
4 | 10101333010123333122320 |
5 | 4431440011124032420 |
6 | 104013305450103212 |
7 | 3652200536463641 |
oct | 421770433773270 |
9 | 73587637085588 |
10 | 18828137330360 |
11 | 5aa9a71746786 |
12 | 214102911ab08 |
13 | a676411cac47 |
14 | 491402a306c8 |
15 | 229b6a4dc225 |
hex | 111fc46ff6b8 |
18828137330360 has 128 divisors (see below), whose sum is σ = 44560518292800. Its totient is φ = 7149769482240.
The previous prime is 18828137330279. The next prime is 18828137330369. The reversal of 18828137330360 is 6303373182881.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18828137330369) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41822624 + ... + 42270416.
Almost surely, 218828137330360 is an apocalyptic number.
18828137330360 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 18828137330360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22280259146400).
18828137330360 is an abundant number, since it is smaller than the sum of its proper divisors (25732380962440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18828137330360 is a wasteful number, since it uses less digits than its factorization.
18828137330360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 448441 (or 448437 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 53.
The spelling of 18828137330360 in words is "eighteen trillion, eight hundred twenty-eight billion, one hundred thirty-seven million, three hundred thirty thousand, three hundred sixty".
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