Base | Representation |
---|---|
bin | 1111101110001100… |
… | …0101100110101101 |
3 | 101220010012101201112 |
4 | 3323203011212231 |
5 | 32120342413323 |
6 | 1534435121405 |
7 | 206403532013 |
oct | 37343054655 |
9 | 11803171645 |
10 | 4220279213 |
11 | 1876268267 |
12 | 999443265 |
13 | 523459247 |
14 | 2c06d48b3 |
15 | 19a788178 |
hex | fb8c59ad |
4220279213 has 2 divisors, whose sum is σ = 4220279214. Its totient is φ = 4220279212.
The previous prime is 4220279197. The next prime is 4220279249. The reversal of 4220279213 is 3129720224.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4168251844 + 52027369 = 64562^2 + 7213^2 .
It is a cyclic number.
It is not a de Polignac number, because 4220279213 - 24 = 4220279197 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 4220279213.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4220279513) 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, 2110139606 + 2110139607.
It is an arithmetic number, because the mean of its divisors is an integer number (2110139607).
Almost surely, 24220279213 is an apocalyptic number.
It is an amenable number.
4220279213 is a deficient number, since it is larger than the sum of its proper divisors (1).
4220279213 is an equidigital number, since it uses as much as digits as its factorization.
4220279213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 4220279213 is about 64963.6761044201. The cubic root of 4220279213 is about 1616.0212288745.
Adding to 4220279213 its reverse (3129720224), we get a palindrome (7349999437).
The spelling of 4220279213 in words is "four billion, two hundred twenty million, two hundred seventy-nine thousand, two hundred thirteen".
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