Base | Representation |
---|---|
bin | 1100010111000010110… |
… | …0100100111011110001 |
3 | 202022002121221112021001 |
4 | 3011300230210323301 |
5 | 11434340044200223 |
6 | 241314411402001 |
7 | 21225041223016 |
oct | 3056054447361 |
9 | 668077845231 |
10 | 212344131313 |
11 | 820667a9816 |
12 | 351a1753301 |
13 | 170408638a2 |
14 | a3c56bd70d |
15 | 57cc01e9ad |
hex | 3170b24ef1 |
212344131313 has 4 divisors (see below), whose sum is σ = 215825182708. Its totient is φ = 208863079920.
The previous prime is 212344131281. The next prime is 212344131317. The reversal of 212344131313 is 313131443212.
212344131313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 46754547984 + 165589583329 = 216228^2 + 406927^2 .
It is a cyclic number.
It is not a de Polignac number, because 212344131313 - 25 = 212344131281 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212344131317) 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 in 3 ways as a sum of consecutive naturals, for example, 1740525606 + ... + 1740525727.
It is an arithmetic number, because the mean of its divisors is an integer number (53956295677).
Almost surely, 2212344131313 is an apocalyptic number.
It is an amenable number.
212344131313 is a deficient number, since it is larger than the sum of its proper divisors (3481051395).
212344131313 is an equidigital number, since it uses as much as digits as its factorization.
212344131313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3481051394.
The product of its digits is 5184, while the sum is 28.
Adding to 212344131313 its reverse (313131443212), we get a palindrome (525475574525).
The spelling of 212344131313 in words is "two hundred twelve billion, three hundred forty-four million, one hundred thirty-one thousand, three hundred thirteen".
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