Base | Representation |
---|---|
bin | 11011111101001100… |
… | …100011011111110011 |
3 | 2212110222122201010001 |
4 | 123331030203133303 |
5 | 442434014334142 |
6 | 21442344050431 |
7 | 2111603333260 |
oct | 337514433763 |
9 | 85428581101 |
10 | 30017730547 |
11 | 11804254282 |
12 | 5998a63a17 |
13 | 2aa4c6254c |
14 | 164a942267 |
15 | baa47c5b7 |
hex | 6fd3237f3 |
30017730547 has 4 divisors (see below), whose sum is σ = 34305977776. Its totient is φ = 25729483320.
The previous prime is 30017730517. The next prime is 30017730581. The reversal of 30017730547 is 74503771003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74503771003 = 61051 ⋅1220353.
It is a cyclic number.
It is not a de Polignac number, because 30017730547 - 27 = 30017730419 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30017730517) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144123604 + ... + 2144123617.
It is an arithmetic number, because the mean of its divisors is an integer number (8576494444).
Almost surely, 230017730547 is an apocalyptic number.
30017730547 is a deficient number, since it is larger than the sum of its proper divisors (4288247229).
30017730547 is an equidigital number, since it uses as much as digits as its factorization.
30017730547 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4288247228.
The product of its (nonzero) digits is 61740, while the sum is 37.
The spelling of 30017730547 in words is "thirty billion, seventeen million, seven hundred thirty thousand, five hundred forty-seven".
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