Base | Representation |
---|---|
bin | 1000001111011000… |
… | …0111100110101100 |
3 | 12201011021100121011 |
4 | 2003312013212230 |
5 | 14012233032340 |
6 | 1003254515004 |
7 | 105546465031 |
oct | 20366074654 |
9 | 5634240534 |
10 | 2212002220 |
11 | a3568800a |
12 | 518965a64 |
13 | 29337466c |
14 | 16dac3388 |
15 | ce2dd0ea |
hex | 83d879ac |
2212002220 has 24 divisors (see below), whose sum is σ = 4672062864. Its totient is φ = 879685056.
The previous prime is 2212002151. The next prime is 2212002239. The reversal of 2212002220 is 222002122.
2212002220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 2212002220.
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, 316194 + ... + 323113.
It is an arithmetic number, because the mean of its divisors is an integer number (194669286).
Almost surely, 22212002220 is an apocalyptic number.
2212002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2212002220 is an abundant number, since it is smaller than the sum of its proper divisors (2460060644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212002220 is a wasteful number, since it uses less digits than its factorization.
2212002220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 639489 (or 639487 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 13.
The square root of 2212002220 is about 47031.9276662142. The cubic root of 2212002220 is about 1302.9523079665.
Adding to 2212002220 its reverse (222002122), we get a palindrome (2434004342).
The spelling of 2212002220 in words is "two billion, two hundred twelve million, two thousand, two hundred twenty".
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