Base | Representation |
---|---|
bin | 100000010101100110000… |
… | …010110101101011010100 |
3 | 21212102220122101010201002 |
4 | 200111212002311223110 |
5 | 242402041242042322 |
6 | 4420511430522432 |
7 | 316356303202556 |
oct | 40254602655324 |
9 | 7772818333632 |
10 | 2222210112212 |
11 | 787485748022 |
12 | 2ba819806418 |
13 | 1317270c047c |
14 | 797ac5a74d6 |
15 | 3cc11235c92 |
hex | 205660b5ad4 |
2222210112212 has 12 divisors (see below), whose sum is σ = 3888878164500. Its totient is φ = 1111102065216.
The previous prime is 2222210112211. The next prime is 2222210112217. The reversal of 2222210112212 is 2122110122222.
It can be written as a sum of positive squares in 2 ways, for example, as 1154240814736 + 1067969297476 = 1074356^2 + 1033426^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222210112211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2349398 + ... + 3156594.
It is an arithmetic number, because the mean of its divisors is an integer number (324073180375).
Almost surely, 22222210112212 is an apocalyptic number.
It is an amenable number.
2222210112212 is a deficient number, since it is larger than the sum of its proper divisors (1666668052288).
2222210112212 is a wasteful number, since it uses less digits than its factorization.
2222210112212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1495450 (or 1495448 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 2222210112212 its reverse (2122110122222), we get a palindrome (4344320234434).
The spelling of 2222210112212 in words is "two trillion, two hundred twenty-two billion, two hundred ten million, one hundred twelve thousand, two hundred twelve".
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