Base | Representation |
---|---|
bin | 110000010001110100101111… |
… | …111010010000001100110101 |
3 | 1000211210122200120120010001020 |
4 | 300101310233322100030311 |
5 | 210312313044103342323 |
6 | 2031331321152451353 |
7 | 62503262435105142 |
oct | 6021645772201465 |
9 | 1024718616503036 |
10 | 212331102012213 |
11 | 61723129697578 |
12 | 1b993234549b59 |
13 | 9162977278c92 |
14 | 3a60c472933c9 |
15 | 1983344dc9ae3 |
hex | c11d2fe90335 |
212331102012213 has 4 divisors (see below), whose sum is σ = 283108136016288. Its totient is φ = 141554068008140.
The previous prime is 212331102012187. The next prime is 212331102012277. The reversal of 212331102012213 is 312210201133212.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 212331102012213 - 212 = 212331102008117 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212331102012413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35388517002033 + ... + 35388517002038.
It is an arithmetic number, because the mean of its divisors is an integer number (70777034004072).
Almost surely, 2212331102012213 is an apocalyptic number.
It is an amenable number.
212331102012213 is a deficient number, since it is larger than the sum of its proper divisors (70777034004075).
212331102012213 is an equidigital number, since it uses as much as digits as its factorization.
212331102012213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70777034004074.
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 212331102012213 its reverse (312210201133212), we get a palindrome (524541303145425).
The spelling of 212331102012213 in words is "two hundred twelve trillion, three hundred thirty-one billion, one hundred two million, twelve thousand, two hundred thirteen".
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