Base | Representation |
---|---|
bin | 111001011100… |
… | …1001100111001 |
3 | 2002200012002220 |
4 | 1302321030321 |
5 | 30202244323 |
6 | 2553314253 |
7 | 514001442 |
oct | 162711471 |
9 | 62605086 |
10 | 30118713 |
11 | 160016a9 |
12 | a105989 |
13 | 6317031 |
14 | 40002c9 |
15 | 299e0e3 |
hex | 1cb9339 |
30118713 has 12 divisors (see below), whose sum is σ = 42660720. Its totient is φ = 18897472.
The previous prime is 30118691. The next prime is 30118721. The reversal of 30118713 is 31781103.
It is not a de Polignac number, because 30118713 - 28 = 30118457 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30118783) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16503 + ... + 18236.
It is an arithmetic number, because the mean of its divisors is an integer number (3555060).
Almost surely, 230118713 is an apocalyptic number.
It is an amenable number.
30118713 is a deficient number, since it is larger than the sum of its proper divisors (12542007).
30118713 is a wasteful number, since it uses less digits than its factorization.
30118713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34776 (or 34759 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 24.
The square root of 30118713 is about 5488.0518401342. The cubic root of 30118713 is about 311.1325654942.
Adding to 30118713 its reverse (31781103), we get a palindrome (61899816).
The spelling of 30118713 in words is "thirty million, one hundred eighteen thousand, seven hundred thirteen".
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