Base | Representation |
---|---|
bin | 1100110111000001110… |
… | …1011000000100000000 |
3 | 210010020222220222001111 |
4 | 3031300131120010000 |
5 | 12104431100043044 |
6 | 245254402213104 |
7 | 21650565463252 |
oct | 3156035300400 |
9 | 703228828044 |
10 | 220930081024 |
11 | 857722a8924 |
12 | 36999054194 |
13 | 17aab5c32c3 |
14 | a99bb13cd2 |
15 | 5b30baeb34 |
hex | 3370758100 |
220930081024 has 81 divisors (see below), whose sum is σ = 457179636823. Its totient is φ = 106550614016.
The previous prime is 220930081013. The next prime is 220930081049. The reversal of 220930081024 is 420180039022.
The square root of 220930081024 is 470032.
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 95308038400 + 125622042624 = 308720^2 + 354432^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 218094342 + ... + 218095354.
Almost surely, 2220930081024 is an apocalyptic number.
220930081024 is the 470032-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 220930081024
220930081024 is an abundant number, since it is smaller than the sum of its proper divisors (236249555799).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220930081024 is an frugal number, since it uses more digits than its factorization.
220930081024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2100 (or 1044 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 31.
The spelling of 220930081024 in words is "two hundred twenty billion, nine hundred thirty million, eighty-one thousand, twenty-four".
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