Base | Representation |
---|---|
bin | 1000001110001100110000… |
… | …01010000010111101000000 |
3 | 2101000102211011200011012020 |
4 | 10013012120022002331000 |
5 | 4332210440422303412 |
6 | 102241511453401440 |
7 | 3544145664216432 |
oct | 407063012027500 |
9 | 71012734604166 |
10 | 18080070119232 |
11 | 5840795265a10 |
12 | 2040056a99280 |
13 | a11c35565354 |
14 | 46711999a652 |
15 | 2154865c818c |
hex | 107198282f40 |
18080070119232 has 224 divisors, whose sum is σ = 55016000492544. Its totient is φ = 5186571878400.
The previous prime is 18080070119183. The next prime is 18080070119269. The reversal of 18080070119232 is 23291107008081.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2793307 + ... + 6630437.
It is an arithmetic number, because the mean of its divisors is an integer number (245607145056).
Almost surely, 218080070119232 is an apocalyptic number.
18080070119232 is a gapful number since it is divisible by the number (12) 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 18080070119232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27508000246272).
18080070119232 is an abundant number, since it is smaller than the sum of its proper divisors (36935930373312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18080070119232 is a wasteful number, since it uses less digits than its factorization.
18080070119232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3837277 (or 3837267 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 42.
The spelling of 18080070119232 in words is "eighteen trillion, eighty billion, seventy million, one hundred nineteen thousand, two hundred thirty-two".
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