Base | Representation |
---|---|
bin | 1100011010010011111… |
… | …0011000010010110011 |
3 | 202101100202022220122102 |
4 | 3012210332120102303 |
5 | 11443134112311423 |
6 | 241541422331015 |
7 | 21255551260364 |
oct | 3064476302263 |
9 | 671322286572 |
10 | 213221213363 |
11 | 824768a8514 |
12 | 353a7429a6b |
13 | 17150494952 |
14 | a469d91b6b |
15 | 582e020c28 |
hex | 31a4f984b3 |
213221213363 has 2 divisors, whose sum is σ = 213221213364. Its totient is φ = 213221213362.
The previous prime is 213221213341. The next prime is 213221213369. The reversal of 213221213363 is 363312122312.
It is a happy number.
213221213363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 213221213363 - 216 = 213221147827 is a prime.
It is not a weakly prime, because it can be changed into another prime (213221213369) 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, 106610606681 + 106610606682.
It is an arithmetic number, because the mean of its divisors is an integer number (106610606682).
Almost surely, 2213221213363 is an apocalyptic number.
213221213363 is a deficient number, since it is larger than the sum of its proper divisors (1).
213221213363 is an equidigital number, since it uses as much as digits as its factorization.
213221213363 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 7776, while the sum is 29.
Adding to 213221213363 its reverse (363312122312), we get a palindrome (576533335675).
The spelling of 213221213363 in words is "two hundred thirteen billion, two hundred twenty-one million, two hundred thirteen thousand, three hundred sixty-three".
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