Base | Representation |
---|---|
bin | 110000001111111011101011… |
… | …111010001000100001101011 |
3 | 1000211100020011100121221122101 |
4 | 300033323223322020201223 |
5 | 210303200334200024321 |
6 | 2031151502314034231 |
7 | 62461011243142006 |
oct | 6017735372104153 |
9 | 1024306140557571 |
10 | 212201112111211 |
11 | 61682a93795a23 |
12 | 1b971bb7118977 |
13 | 915362c4cc0b2 |
14 | 3a5883529653d |
15 | 197ec87dad791 |
hex | c0feebe8886b |
212201112111211 has 12 divisors (see below), whose sum is σ = 225613635897600. Its totient is φ = 199545175894400.
The previous prime is 212201112111203. The next prime is 212201112111223. The reversal of 212201112111211 is 112111211102212.
It is not a de Polignac number, because 212201112111211 - 23 = 212201112111203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212201115111211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318633436 + ... + 319298713.
It is an arithmetic number, because the mean of its divisors is an integer number (18801136324800).
Almost surely, 2212201112111211 is an apocalyptic number.
212201112111211 is a deficient number, since it is larger than the sum of its proper divisors (13412523786389).
212201112111211 is a wasteful number, since it uses less digits than its factorization.
212201112111211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 637933334 (or 637933317 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 19.
Adding to 212201112111211 its reverse (112111211102212), we get a palindrome (324312323213423).
The spelling of 212201112111211 in words is "two hundred twelve trillion, two hundred one billion, one hundred twelve million, one hundred eleven thousand, two hundred eleven".
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