Base | Representation |
---|---|
bin | 10110111010100010… |
… | …10000001110000100 |
3 | 1011202100210122021201 |
4 | 23131101100032010 |
5 | 200143332102322 |
6 | 5352423152244 |
7 | 613601110030 |
oct | 133521201604 |
9 | 34670718251 |
10 | 12302222212 |
11 | 52433136a5 |
12 | 2473ba5684 |
13 | 121095cc37 |
14 | 849c0d1c0 |
15 | 4c006cd27 |
hex | 2dd450384 |
12302222212 has 24 divisors (see below), whose sum is σ = 24731939456. Its totient is φ = 5245060608.
The previous prime is 12302222189. The next prime is 12302222297. The reversal of 12302222212 is 21222220321.
It is a self number, because there is not a number n which added to its sum of digits gives 12302222212.
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, 1132848 + ... + 1143655.
Almost surely, 212302222212 is an apocalyptic number.
It is an amenable number.
12302222212 is an abundant number, since it is smaller than the sum of its proper divisors (12429717244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12302222212 is a wasteful number, since it uses less digits than its factorization.
12302222212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2276707 (or 2276705 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 12302222212 its reverse (21222220321), we get a palindrome (33524442533).
The spelling of 12302222212 in words is "twelve billion, three hundred two million, two hundred twenty-two thousand, two hundred twelve".
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