Base | Representation |
---|---|
bin | 111110111010011… |
… | …0101101001000001 |
3 | 12110010020001222202 |
4 | 1331310311221001 |
5 | 13310404100301 |
6 | 545250042545 |
7 | 103212142166 |
oct | 17564655101 |
9 | 5403201882 |
10 | 2111003201 |
11 | 993673a4a |
12 | 4aab79455 |
13 | 278471228 |
14 | 16051206d |
15 | c54dc66b |
hex | 7dd35a41 |
2111003201 has 2 divisors, whose sum is σ = 2111003202. Its totient is φ = 2111003200.
The previous prime is 2111003131. The next prime is 2111003221. The reversal of 2111003201 is 1023001112.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1890510400 + 220492801 = 43480^2 + 14849^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2111003201 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (2111003221) 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, 1055501600 + 1055501601.
It is an arithmetic number, because the mean of its divisors is an integer number (1055501601).
Almost surely, 22111003201 is an apocalyptic number.
It is an amenable number.
2111003201 is a deficient number, since it is larger than the sum of its proper divisors (1).
2111003201 is an equidigital number, since it uses as much as digits as its factorization.
2111003201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 2111003201 is about 45945.6548652862. The cubic root of 2111003201 is about 1282.8118525698.
Adding to 2111003201 its reverse (1023001112), we get a palindrome (3134004313).
The spelling of 2111003201 in words is "two billion, one hundred eleven million, three thousand, two hundred one".
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