Base | Representation |
---|---|
bin | 111011111011111… |
… | …0010101001100001 |
3 | 12012011021011212201 |
4 | 1313313302221201 |
5 | 13104321122311 |
6 | 531321053201 |
7 | 100560121234 |
oct | 16767625141 |
9 | 5164234781 |
10 | 2011114081 |
11 | 942248859 |
12 | 481627201 |
13 | 260869042 |
14 | 15114d41b |
15 | bb85a9c1 |
hex | 77df2a61 |
2011114081 has 2 divisors, whose sum is σ = 2011114082. Its totient is φ = 2011114080.
The previous prime is 2011114019. The next prime is 2011114129. The reversal of 2011114081 is 1804111102.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1372035681 + 639078400 = 37041^2 + 25280^2 .
It is a cyclic number.
It is not a de Polignac number, because 2011114081 - 219 = 2010589793 is a prime.
It is a super-2 number, since 2×20111140812 = 8089159693592949122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2011117081) 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, 1005557040 + 1005557041.
It is an arithmetic number, because the mean of its divisors is an integer number (1005557041).
Almost surely, 22011114081 is an apocalyptic number.
It is an amenable number.
2011114081 is a deficient number, since it is larger than the sum of its proper divisors (1).
2011114081 is an equidigital number, since it uses as much as digits as its factorization.
2011114081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 64, while the sum is 19.
The square root of 2011114081 is about 44845.4466027489. The cubic root of 2011114081 is about 1262.2505509319.
Adding to 2011114081 its reverse (1804111102), we get a palindrome (3815225183).
The spelling of 2011114081 in words is "two billion, eleven million, one hundred fourteen thousand, eighty-one".
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