Base | Representation |
---|---|
bin | 1000100011000001110110… |
… | …00101010000001100001000 |
3 | 2110112212011101201121202200 |
4 | 10101200323011100030020 |
5 | 4430422213114320242 |
6 | 103550353501400200 |
7 | 3646643440646316 |
oct | 421407305201410 |
9 | 73485141647680 |
10 | 18795768120072 |
11 | 5a9727110aa19 |
12 | 21368b4869060 |
13 | a6458303a788 |
14 | 48da11a9d0b6 |
15 | 228dc38c004c |
hex | 11183b150308 |
18795768120072 has 48 divisors (see below), whose sum is σ = 53584426662000. Its totient is φ = 5935505721696.
The previous prime is 18795768120049. The next prime is 18795768120089. The reversal of 18795768120072 is 27002186759781.
It is a junction number, because it is equal to n+sod(n) for n = 18795768119991 and 18795768120009.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6869796922 + ... + 6869799657.
It is an arithmetic number, because the mean of its divisors is an integer number (1116342222125).
Almost surely, 218795768120072 is an apocalyptic number.
18795768120072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
18795768120072 is an abundant number, since it is smaller than the sum of its proper divisors (34788658541928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18795768120072 is a wasteful number, since it uses less digits than its factorization.
18795768120072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13739596610 (or 13739596603 counting only the distinct ones).
The product of its (nonzero) digits is 23708160, while the sum is 63.
The spelling of 18795768120072 in words is "eighteen trillion, seven hundred ninety-five billion, seven hundred sixty-eight million, one hundred twenty thousand, seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •