Base | Representation |
---|---|
bin | 1000010001110100… |
… | …0110001011101100 |
3 | 12201212111110202220 |
4 | 2010131012023230 |
5 | 14022342020022 |
6 | 1004301515340 |
7 | 106032362355 |
oct | 20435061354 |
9 | 5655443686 |
10 | 2222220012 |
11 | a40426871 |
12 | 520272b50 |
13 | 2955113ac |
14 | 1711c2d2c |
15 | d015a85c |
hex | 847462ec |
2222220012 has 24 divisors (see below), whose sum is σ = 5458084800. Its totient is φ = 701753616.
The previous prime is 2222219999. The next prime is 2222220047. The reversal of 2222220012 is 2100222222.
It is a junction number, because it is equal to n+sod(n) for n = 2222219973 and 2222220000.
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, 4873062 + ... + 4873517.
It is an arithmetic number, because the mean of its divisors is an integer number (227420200).
Almost surely, 22222220012 is an apocalyptic number.
It is an amenable number.
2222220012 is an abundant number, since it is smaller than the sum of its proper divisors (3235864788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222220012 is a wasteful number, since it uses less digits than its factorization.
2222220012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9746605 (or 9746603 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 2222220012 is about 47140.4286361505. The cubic root of 2222220012 is about 1304.9554477531.
Adding to 2222220012 its reverse (2100222222), we get a palindrome (4322442234).
The spelling of 2222220012 in words is "two billion, two hundred twenty-two million, two hundred twenty thousand, twelve".
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