Base | Representation |
---|---|
bin | 111110111100010… |
… | …1001010010111011 |
3 | 12110012002210000002 |
4 | 1331320221102323 |
5 | 13311133014321 |
6 | 545323303215 |
7 | 103223466635 |
oct | 17570512273 |
9 | 5405083002 |
10 | 2112001211 |
11 | 994195851 |
12 | 4ab37ab0b |
13 | 278730578 |
14 | 1606d1a55 |
15 | c563820b |
hex | 7de294bb |
2112001211 has 2 divisors, whose sum is σ = 2112001212. Its totient is φ = 2112001210.
The previous prime is 2112001207. The next prime is 2112001217. The reversal of 2112001211 is 1121002112.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2112001211 - 22 = 2112001207 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2112001192 and 2112001201.
It is not a weakly prime, because it can be changed into another prime (2112001217) 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, 1056000605 + 1056000606.
It is an arithmetic number, because the mean of its divisors is an integer number (1056000606).
Almost surely, 22112001211 is an apocalyptic number.
2112001211 is a deficient number, since it is larger than the sum of its proper divisors (1).
2112001211 is an equidigital number, since it uses as much as digits as its factorization.
2112001211 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8, while the sum is 11.
The square root of 2112001211 is about 45956.5143478049. The cubic root of 2112001211 is about 1283.0139772208.
Adding to 2112001211 its reverse (1121002112), we get a palindrome (3233003323).
Subtracting from 2112001211 its reverse (1121002112), we obtain a palindrome (990999099).
The spelling of 2112001211 in words is "two billion, one hundred twelve million, one thousand, two hundred eleven".
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