Base | Representation |
---|---|
bin | 10011011111100010… |
… | …011101001101010010 |
3 | 2000000122220101102000 |
4 | 103133202131031102 |
5 | 320331114032012 |
6 | 13340515134430 |
7 | 1340445641064 |
oct | 233742351522 |
9 | 60018811360 |
10 | 20930220882 |
11 | 897062280a |
12 | 40815a4416 |
13 | 1c873229ac |
14 | 1027a6b734 |
15 | 827766ddc |
hex | 4df89d352 |
20930220882 has 32 divisors (see below), whose sum is σ = 46560830400. Its totient is φ = 6969356064.
The previous prime is 20930220847. The next prime is 20930220911. The reversal of 20930220882 is 28802203902.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153507 + ... + 255782.
It is an arithmetic number, because the mean of its divisors is an integer number (1455025950).
Almost surely, 220930220882 is an apocalyptic number.
20930220882 is an abundant number, since it is smaller than the sum of its proper divisors (25630609518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20930220882 is a wasteful number, since it uses less digits than its factorization.
20930220882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 410247 (or 410241 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The spelling of 20930220882 in words is "twenty billion, nine hundred thirty million, two hundred twenty thousand, eight hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •