Base | Representation |
---|---|
bin | 1000001111011001… |
… | …1111100010010011 |
3 | 12201011110100001122 |
4 | 2003312133202103 |
5 | 14012244201433 |
6 | 1003300552455 |
7 | 105550353563 |
oct | 20366374223 |
9 | 5634410048 |
10 | 2212100243 |
11 | a35744721 |
12 | 5189b272b |
13 | 2933aa172 |
14 | 16db0ada3 |
15 | ce30c198 |
hex | 83d9f893 |
2212100243 has 2 divisors, whose sum is σ = 2212100244. Its totient is φ = 2212100242.
The previous prime is 2212100179. The next prime is 2212100281. The reversal of 2212100243 is 3420012122.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2212100243 - 26 = 2212100179 is a prime.
It is not a weakly prime, because it can be changed into another prime (2212108243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106050121 + 1106050122.
It is an arithmetic number, because the mean of its divisors is an integer number (1106050122).
Almost surely, 22212100243 is an apocalyptic number.
2212100243 is a deficient number, since it is larger than the sum of its proper divisors (1).
2212100243 is an equidigital number, since it uses as much as digits as its factorization.
2212100243 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 2212100243 is about 47032.9697446376. The cubic root of 2212100243 is about 1302.9715540906.
Adding to 2212100243 its reverse (3420012122), we get a palindrome (5632112365).
The spelling of 2212100243 in words is "two billion, two hundred twelve million, one hundred thousand, two hundred forty-three".
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