Base | Representation |
---|---|
bin | 10010111000010011… |
… | …110111000100000000 |
3 | 1221022210111112020022 |
4 | 102320103313010000 |
5 | 313004123130300 |
6 | 13151325033012 |
7 | 1315234602245 |
oct | 227023670400 |
9 | 57283445208 |
10 | 20272083200 |
11 | 8663076176 |
12 | 3b190b5768 |
13 | 1bb0b7ca05 |
14 | da44ad5cc |
15 | 7d9ab3285 |
hex | 4b84f7100 |
20272083200 has 54 divisors (see below), whose sum is σ = 50176589274. Its totient is φ = 8108830720.
The previous prime is 20272083187. The next prime is 20272083233. The reversal of 20272083200 is 238027202.
It can be written as a sum of positive squares in 3 ways, for example, as 212459776 + 20059623424 = 14576^2 + 141632^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 20272083200.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1577357 + ... + 1590156.
Almost surely, 220272083200 is an apocalyptic number.
20272083200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20272083200 is an abundant number, since it is smaller than the sum of its proper divisors (29904506074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20272083200 is an equidigital number, since it uses as much as digits as its factorization.
20272083200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3167539 (or 3167520 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 26.
The spelling of 20272083200 in words is "twenty billion, two hundred seventy-two million, eighty-three thousand, two hundred".
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