Base | Representation |
---|---|
bin | 1100110100011011011… |
… | …1010000011000100000 |
3 | 210001110100210001202212 |
4 | 3031012313100120200 |
5 | 12102013422102430 |
6 | 245101232501252 |
7 | 21624363000452 |
oct | 3150667203040 |
9 | 701410701685 |
10 | 220232222240 |
11 | 85444391228 |
12 | 368233aa828 |
13 | 179c9b53704 |
14 | a9331762d2 |
15 | 5ade7b1b95 |
hex | 3346dd0620 |
220232222240 has 48 divisors (see below), whose sum is σ = 538239968280. Its totient is φ = 85055201280.
The previous prime is 220232222213. The next prime is 220232222263. The reversal of 220232222240 is 42222232022.
It can be written as a sum of positive squares in 4 ways, for example, as 206446644496 + 13785577744 = 454364^2 + 117412^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23727281 + ... + 23736560.
Almost surely, 2220232222240 is an apocalyptic number.
220232222240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
220232222240 is an abundant number, since it is smaller than the sum of its proper divisors (318007746040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220232222240 is a wasteful number, since it uses less digits than its factorization.
220232222240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47463885 (or 47463877 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 23.
Adding to 220232222240 its reverse (42222232022), we get a palindrome (262454454262).
The spelling of 220232222240 in words is "two hundred twenty billion, two hundred thirty-two million, two hundred twenty-two thousand, two hundred forty".
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