Base | Representation |
---|---|
bin | 10010110110011100… |
… | …010110000100000100 |
3 | 1221020121112210010211 |
4 | 102312130112010010 |
5 | 312423113043100 |
6 | 13144245325204 |
7 | 1314404363254 |
oct | 226634260404 |
9 | 57217483124 |
10 | 20240752900 |
11 | 8647417265 |
12 | 3b0a706804 |
13 | 1ba7530384 |
14 | da0275964 |
15 | 7d6e751ba |
hex | 4b6716104 |
20240752900 has 81 divisors (see below), whose sum is σ = 45149955487. Its totient is φ = 7876067200.
The previous prime is 20240752897. The next prime is 20240752921. The reversal of 20240752900 is 925704202.
The square root of 20240752900 is 142270.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 8519659204 + 11721093696 = 92302^2 + 108264^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 58330527 + ... + 58330873.
Almost surely, 220240752900 is an apocalyptic number.
20240752900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
20240752900 is the 142270-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20240752900
20240752900 is an abundant number, since it is smaller than the sum of its proper divisors (24909202587).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20240752900 is an equidigital number, since it uses as much as digits as its factorization.
20240752900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 790 (or 395 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 31.
The spelling of 20240752900 in words is "twenty billion, two hundred forty million, seven hundred fifty-two thousand, nine hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •