Base | Representation |
---|---|
bin | 111001110010… |
… | …1111100111011 |
3 | 2010000111112201 |
4 | 1303211330323 |
5 | 30224131021 |
6 | 3001251031 |
7 | 515364025 |
oct | 163457473 |
9 | 63014481 |
10 | 30302011 |
11 | 16117393 |
12 | a193a77 |
13 | 637c5ac |
14 | 404b015 |
15 | 29d8591 |
hex | 1ce5f3b |
30302011 has 2 divisors, whose sum is σ = 30302012. Its totient is φ = 30302010.
The previous prime is 30302009. The next prime is 30302033. The reversal of 30302011 is 11020303.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30302011 - 21 = 30302009 is a prime.
Together with 30302009, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (30302411) 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, 15151005 + 15151006.
It is an arithmetic number, because the mean of its divisors is an integer number (15151006).
Almost surely, 230302011 is an apocalyptic number.
30302011 is a deficient number, since it is larger than the sum of its proper divisors (1).
30302011 is an equidigital number, since it uses as much as digits as its factorization.
30302011 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 30302011 is about 5504.7262420578. The cubic root of 30302011 is about 311.7624582189.
Adding to 30302011 its reverse (11020303), we get a palindrome (41322314).
It can be divided in two parts, 303020 and 11, that added together give a triangular number (303031 = T778).
The spelling of 30302011 in words is "thirty million, three hundred two thousand, eleven".
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