Base | Representation |
---|---|
bin | 11000000000111000… |
… | …01011110010101100 |
3 | 1020021111010012102101 |
4 | 30000130023302230 |
5 | 202400411241340 |
6 | 5531142304444 |
7 | 634324441645 |
oct | 140034136254 |
9 | 36244105371 |
10 | 12892290220 |
11 | 55163a8507 |
12 | 25b9728124 |
13 | 12a5c8bbc4 |
14 | 8a432c6cc |
15 | 506c77c9a |
hex | 30070bcac |
12892290220 has 48 divisors (see below), whose sum is σ = 27561860928. Its totient is φ = 5064226560.
The previous prime is 12892290217. The next prime is 12892290233. The reversal of 12892290220 is 2209229821.
It is a super-2 number, since 2×128922902202 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12892290220.
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, 781174 + ... + 797506.
It is an arithmetic number, because the mean of its divisors is an integer number (574205436).
Almost surely, 212892290220 is an apocalyptic number.
12892290220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12892290220 is an abundant number, since it is smaller than the sum of its proper divisors (14669570708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12892290220 is a wasteful number, since it uses less digits than its factorization.
12892290220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17050 (or 17048 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 37.
The spelling of 12892290220 in words is "twelve billion, eight hundred ninety-two million, two hundred ninety thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •