Base | Representation |
---|---|
bin | 11011111101001100… |
… | …100011011100000101 |
3 | 2212110222122200210020 |
4 | 123331030203130011 |
5 | 442434014332214 |
6 | 21442344045353 |
7 | 2111603332500 |
oct | 337514433405 |
9 | 85428580706 |
10 | 30017730309 |
11 | 11804254086 |
12 | 5998a63859 |
13 | 2aa4c623c8 |
14 | 164a942137 |
15 | baa47c4a9 |
hex | 6fd323705 |
30017730309 has 24 divisors (see below), whose sum is σ = 46625647968. Its totient is φ = 17128107360.
The previous prime is 30017730271. The next prime is 30017730329. The reversal of 30017730309 is 90303771003.
It is not a de Polignac number, because 30017730309 - 231 = 27870246661 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30017730309.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30017730329) 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 in 23 ways as a sum of consecutive naturals, for example, 46182 + ... + 249335.
It is an arithmetic number, because the mean of its divisors is an integer number (1942735332).
Almost surely, 230017730309 is an apocalyptic number.
It is an amenable number.
30017730309 is a deficient number, since it is larger than the sum of its proper divisors (16607917659).
30017730309 is a wasteful number, since it uses less digits than its factorization.
30017730309 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 296225 (or 296218 counting only the distinct ones).
The product of its (nonzero) digits is 11907, while the sum is 33.
The spelling of 30017730309 in words is "thirty billion, seventeen million, seven hundred thirty thousand, three hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •