Base | Representation |
---|---|
bin | 111001110010… |
… | …1011101101101 |
3 | 2010000101210201 |
4 | 1303211131231 |
5 | 30224100023 |
6 | 3001233501 |
7 | 515355142 |
oct | 163453555 |
9 | 63011721 |
10 | 30300013 |
11 | 16115937 |
12 | a192891 |
13 | 637b703 |
14 | 404a3c9 |
15 | 29d7bad |
hex | 1ce576d |
30300013 has 4 divisors (see below), whose sum is σ = 30752320. Its totient is φ = 29847708.
The previous prime is 30299999. The next prime is 30300073. The reversal of 30300013 is 31000303.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30300013 - 29 = 30299501 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30300073) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226053 + ... + 226186.
It is an arithmetic number, because the mean of its divisors is an integer number (7688080).
Almost surely, 230300013 is an apocalyptic number.
It is an amenable number.
30300013 is a deficient number, since it is larger than the sum of its proper divisors (452307).
30300013 is an equidigital number, since it uses as much as digits as its factorization.
30300013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 452306.
The product of its (nonzero) digits is 27, while the sum is 10.
The square root of 30300013 is about 5504.5447586517. The cubic root of 30300013 is about 311.7556059225.
Adding to 30300013 its reverse (31000303), we get a palindrome (61300316).
The spelling of 30300013 in words is "thirty million, three hundred thousand, thirteen".
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