Base | Representation |
---|---|
bin | 111111001011110… |
… | …0101100001011110 |
3 | 12110202100212012220 |
4 | 1332113211201132 |
5 | 13320222042342 |
6 | 550213210210 |
7 | 103352441124 |
oct | 17627454136 |
9 | 5422325186 |
10 | 2120112222 |
11 | 998825768 |
12 | 4b2030966 |
13 | 27a310397 |
14 | 161803914 |
15 | c61db5ec |
hex | 7e5e585e |
2120112222 has 48 divisors (see below), whose sum is σ = 4457736192. Its totient is φ = 672043680.
The previous prime is 2120112217. The next prime is 2120112233. The reversal of 2120112222 is 2222110212.
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 334947 + ... + 341217.
It is an arithmetic number, because the mean of its divisors is an integer number (92869504).
Almost surely, 22120112222 is an apocalyptic number.
2120112222 is an abundant number, since it is smaller than the sum of its proper divisors (2337623970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2120112222 is a wasteful number, since it uses less digits than its factorization.
2120112222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6401 (or 6372 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 2120112222 is about 46044.6763698041. The cubic root of 2120112222 is about 1284.6543245977.
Adding to 2120112222 its reverse (2222110212), we get a palindrome (4342222434).
The spelling of 2120112222 in words is "two billion, one hundred twenty million, one hundred twelve thousand, two hundred twenty-two".
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