Base | Representation |
---|---|
bin | 111001111101… |
… | …0011101011011 |
3 | 2010011202202211 |
4 | 1303322131123 |
5 | 30234323021 |
6 | 3003135551 |
7 | 516163645 |
oct | 163723533 |
9 | 63152684 |
10 | 30386011 |
11 | 16174507 |
12 | a2145b7 |
13 | 63ab8b6 |
14 | 406d895 |
15 | 2a033e1 |
hex | 1cfa75b |
30386011 has 2 divisors, whose sum is σ = 30386012. Its totient is φ = 30386010.
The previous prime is 30386009. The next prime is 30386033. The reversal of 30386011 is 11068303.
It is an a-pointer prime, because the next prime (30386033) can be obtained adding 30386011 to its sum of digits (22).
It is a weak prime.
It is an emirp because it is prime and its reverse (11068303) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30386011 - 21 = 30386009 is a prime.
Together with 30386009, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (30389011) 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, 15193005 + 15193006.
It is an arithmetic number, because the mean of its divisors is an integer number (15193006).
Almost surely, 230386011 is an apocalyptic number.
30386011 is a deficient number, since it is larger than the sum of its proper divisors (1).
30386011 is an equidigital number, since it uses as much as digits as its factorization.
30386011 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 30386011 is about 5512.3507689551. The cubic root of 30386011 is about 312.0502706363.
The spelling of 30386011 in words is "thirty million, three hundred eighty-six thousand, eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •