Base | Representation |
---|---|
bin | 11100010100011011… |
… | …001000100000010011 |
3 | 2220111010221101200022 |
4 | 130110123020200103 |
5 | 444233300144430 |
6 | 21545144414055 |
7 | 2124344605631 |
oct | 342433104023 |
9 | 86433841608 |
10 | 30407428115 |
11 | 11994222889 |
12 | 5a8747732b |
13 | 2b3790771c |
14 | 16865c4351 |
15 | bce7a84e5 |
hex | 7146c8813 |
30407428115 has 8 divisors (see below), whose sum is σ = 36586741488. Its totient is φ = 24260724000.
The previous prime is 30407428091. The next prime is 30407428159. The reversal of 30407428115 is 51182470403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-30407428115 is a prime.
It is a super-2 number, since 2×304074281152 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8150261 + ... + 8153990.
It is an arithmetic number, because the mean of its divisors is an integer number (4573342686).
Almost surely, 230407428115 is an apocalyptic number.
30407428115 is a deficient number, since it is larger than the sum of its proper divisors (6179313373).
30407428115 is a wasteful number, since it uses less digits than its factorization.
30407428115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16304629.
The product of its (nonzero) digits is 26880, while the sum is 35.
Adding to 30407428115 its reverse (51182470403), we get a palindrome (81589898518).
The spelling of 30407428115 in words is "thirty billion, four hundred seven million, four hundred twenty-eight thousand, one hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •