Base | Representation |
---|---|
bin | 1100010110100101001… |
… | …1110100110000011101 |
3 | 202021202222202021012222 |
4 | 3011221103310300131 |
5 | 11434111332431023 |
6 | 241254223235125 |
7 | 21222004645061 |
oct | 3055123646035 |
9 | 667688667188 |
10 | 212220202013 |
11 | 82002853906 |
12 | 35168148aa5 |
13 | 17020c92341 |
14 | a3b305daa1 |
15 | 57c11decc8 |
hex | 31694f4c1d |
212220202013 has 2 divisors, whose sum is σ = 212220202014. Its totient is φ = 212220202012.
The previous prime is 212220202001. The next prime is 212220202097. The reversal of 212220202013 is 310202022212.
212220202013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 200075500804 + 12144701209 = 447298^2 + 110203^2 .
It is a cyclic number.
It is not a de Polignac number, because 212220202013 - 24 = 212220201997 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 212220201982 and 212220202000.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212220201013) by changing a digit.
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 as a sum of consecutive naturals, namely, 106110101006 + 106110101007.
It is an arithmetic number, because the mean of its divisors is an integer number (106110101007).
Almost surely, 2212220202013 is an apocalyptic number.
It is an amenable number.
212220202013 is a deficient number, since it is larger than the sum of its proper divisors (1).
212220202013 is an equidigital number, since it uses as much as digits as its factorization.
212220202013 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 212220202013 its reverse (310202022212), we get a palindrome (522422224225).
The spelling of 212220202013 in words is "two hundred twelve billion, two hundred twenty million, two hundred two thousand, thirteen".
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