Base | Representation |
---|---|
bin | 1000001010110110… |
… | …1000100111011000 |
3 | 12122211111222201022 |
4 | 2002231220213120 |
5 | 13442402012140 |
6 | 1001335342012 |
7 | 105226125455 |
oct | 20255504730 |
9 | 5584458638 |
10 | 2193000920 |
11 | a2598a060 |
12 | 512521908 |
13 | 28c4509a6 |
14 | 16b37882c |
15 | cc7d80b5 |
hex | 82b689d8 |
2193000920 has 64 divisors (see below), whose sum is σ = 5392427040. Its totient is φ = 796032000.
The previous prime is 2193000917. The next prime is 2193000959. The reversal of 2193000920 is 290003912.
It is a self number, because there is not a number n which added to its sum of digits gives 2193000920.
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, 260294 + ... + 268586.
Almost surely, 22193000920 is an apocalyptic number.
2193000920 is a gapful number since it is divisible by the number (20) 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 2193000920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2696213520).
2193000920 is an abundant number, since it is smaller than the sum of its proper divisors (3199426120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2193000920 is a wasteful number, since it uses less digits than its factorization.
2193000920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8916 (or 8912 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 26.
The square root of 2193000920 is about 46829.4877187441. The cubic root of 2193000920 is about 1299.2107477529.
The spelling of 2193000920 in words is "two billion, one hundred ninety-three million, nine hundred twenty", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •