Base | Representation |
---|---|
bin | 11001001010100… |
… | …10000110001001 |
3 | 112201012222211001 |
4 | 30211102012021 |
5 | 413020200131 |
6 | 32540335001 |
7 | 5142215005 |
oct | 1445220611 |
9 | 481188731 |
10 | 211100041 |
11 | a9184649 |
12 | 5a844461 |
13 | 34972789 |
14 | 20071705 |
15 | 137ed261 |
hex | c952189 |
211100041 has 2 divisors, whose sum is σ = 211100042. Its totient is φ = 211100040.
The previous prime is 211100027. The next prime is 211100047. The reversal of 211100041 is 140001112.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 204490000 + 6610041 = 14300^2 + 2571^2 .
It is a cyclic number.
It is not a de Polignac number, because 211100041 - 25 = 211100009 is a prime.
It is not a weakly prime, because it can be changed into another prime (211100047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105550020 + 105550021.
It is an arithmetic number, because the mean of its divisors is an integer number (105550021).
Almost surely, 2211100041 is an apocalyptic number.
It is an amenable number.
211100041 is a deficient number, since it is larger than the sum of its proper divisors (1).
211100041 is an equidigital number, since it uses as much as digits as its factorization.
211100041 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 10.
The square root of 211100041 is about 14529.2821914918. The cubic root of 211100041 is about 595.4282546419.
Adding to 211100041 its reverse (140001112), we get a palindrome (351101153).
The spelling of 211100041 in words is "two hundred eleven million, one hundred thousand, forty-one".
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