Base | Representation |
---|---|
bin | 110000011110101000100000… |
… | …100100101101011011101101 |
3 | 1000221220210122222211022220120 |
4 | 300132220200210231123231 |
5 | 210421223232112032341 |
6 | 2033243531445035153 |
7 | 62624003045061042 |
oct | 6036504044553355 |
9 | 1027823588738816 |
10 | 213211313002221 |
11 | 61a32456867256 |
12 | 1bab59453b5ab9 |
13 | 91c7981c91b01 |
14 | 3a916a83d71c9 |
15 | 199b1aee66066 |
hex | c1ea2092d6ed |
213211313002221 has 8 divisors (see below), whose sum is σ = 284281818767520. Its totient is φ = 142140841285872.
The previous prime is 213211313002201. The next prime is 213211313002267. The reversal of 213211313002221 is 122200313112312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 213211313002221 - 25 = 213211313002189 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 213211313002191 and 213211313002200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213211313002201) 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 7 ways as a sum of consecutive naturals, for example, 17157531 + ... + 26847783.
It is an arithmetic number, because the mean of its divisors is an integer number (35535227345940).
Almost surely, 2213211313002221 is an apocalyptic number.
It is an amenable number.
213211313002221 is a deficient number, since it is larger than the sum of its proper divisors (71070505765299).
213211313002221 is an equidigital number, since it uses as much as digits as its factorization.
213211313002221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17024475.
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 213211313002221 its reverse (122200313112312), we get a palindrome (335411626114533).
The spelling of 213211313002221 in words is "two hundred thirteen trillion, two hundred eleven billion, three hundred thirteen million, two thousand, two hundred twenty-one".
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