Base | Representation |
---|---|
bin | 10110101111101011… |
… | …10000111101100101 |
3 | 1011112000101200112222 |
4 | 23113311300331211 |
5 | 200002022131323 |
6 | 5335410522125 |
7 | 611413615502 |
oct | 132765607545 |
9 | 34460350488 |
10 | 12211130213 |
11 | 51a6956957 |
12 | 2449596345 |
13 | 11c7b17c49 |
14 | 83ba9a4a9 |
15 | 4b70779c8 |
hex | 2d7d70f65 |
12211130213 has 2 divisors, whose sum is σ = 12211130214. Its totient is φ = 12211130212.
The previous prime is 12211130201. The next prime is 12211130221. The reversal of 12211130213 is 31203111221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12135666244 + 75463969 = 110162^2 + 8687^2 .
It is a cyclic number.
It is not a de Polignac number, because 12211130213 - 26 = 12211130149 is a prime.
It is a super-2 number, since 2×122111302132 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12211130191 and 12211130200.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12211130293) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105565106 + 6105565107.
It is an arithmetic number, because the mean of its divisors is an integer number (6105565107).
Almost surely, 212211130213 is an apocalyptic number.
It is an amenable number.
12211130213 is a deficient number, since it is larger than the sum of its proper divisors (1).
12211130213 is an equidigital number, since it uses as much as digits as its factorization.
12211130213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 12211130213 its reverse (31203111221), we get a palindrome (43414241434).
The spelling of 12211130213 in words is "twelve billion, two hundred eleven million, one hundred thirty thousand, two hundred thirteen".
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