Base | Representation |
---|---|
bin | 1100010111011010011… |
… | …0001110110110010011 |
3 | 202022100112020020200121 |
4 | 3011312212032312103 |
5 | 11440040420200113 |
6 | 241332305331111 |
7 | 21230352551455 |
oct | 3056646166623 |
9 | 668315206617 |
10 | 212443131283 |
11 | 82107677979 |
12 | 3520a936a97 |
13 | 17058217156 |
14 | a3d48d02d5 |
15 | 57d5a77e8d |
hex | 317698ed93 |
212443131283 has 2 divisors, whose sum is σ = 212443131284. Its totient is φ = 212443131282.
The previous prime is 212443131233. The next prime is 212443131371. The reversal of 212443131283 is 382131344212.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 212443131283 - 233 = 203853196691 is a prime.
It is not a weakly prime, because it can be changed into another prime (212443131233) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106221565641 + 106221565642.
It is an arithmetic number, because the mean of its divisors is an integer number (106221565642).
Almost surely, 2212443131283 is an apocalyptic number.
212443131283 is a deficient number, since it is larger than the sum of its proper divisors (1).
212443131283 is an equidigital number, since it uses as much as digits as its factorization.
212443131283 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 27648, while the sum is 34.
Adding to 212443131283 its reverse (382131344212), we get a palindrome (594574475495).
The spelling of 212443131283 in words is "two hundred twelve billion, four hundred forty-three million, one hundred thirty-one thousand, two hundred eighty-three".
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