Base | Representation |
---|---|
bin | 111001010011… |
… | …0011110011011 |
3 | 2002112021220002 |
4 | 1302212132123 |
5 | 30142321021 |
6 | 2551523215 |
7 | 513232016 |
oct | 162463633 |
9 | 62467802 |
10 | 30042011 |
11 | 15a5a00a |
12 | a08950b |
13 | 62bb14c |
14 | 3dc037d |
15 | 298650b |
hex | 1ca679b |
30042011 has 2 divisors, whose sum is σ = 30042012. Its totient is φ = 30042010.
The previous prime is 30041989. The next prime is 30042013. The reversal of 30042011 is 11024003.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30042011 is a prime.
Together with 30042013, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 30041983 and 30042001.
It is not a weakly prime, because it can be changed into another prime (30042013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15021005 + 15021006.
It is an arithmetic number, because the mean of its divisors is an integer number (15021006).
Almost surely, 230042011 is an apocalyptic number.
30042011 is a deficient number, since it is larger than the sum of its proper divisors (1).
30042011 is an equidigital number, since it uses as much as digits as its factorization.
30042011 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 30042011 is about 5481.0592954282. The cubic root of 30042011 is about 310.8682251048.
Adding to 30042011 its reverse (11024003), we get a palindrome (41066014).
The spelling of 30042011 in words is "thirty million, forty-two thousand, eleven".
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