Base | Representation |
---|---|
bin | 11011111100111011… |
… | …011011101010111001 |
3 | 2212110200012200001002 |
4 | 123330323123222321 |
5 | 442431342221131 |
6 | 21442103534345 |
7 | 2111520230246 |
oct | 337473335271 |
9 | 85420180032 |
10 | 30013242041 |
11 | 11801768a72 |
12 | 599745a3b5 |
13 | 2aa4050523 |
14 | 164a0d45cd |
15 | ba9d926cb |
hex | 6fcedbab9 |
30013242041 has 4 divisors (see below), whose sum is σ = 31318165632. Its totient is φ = 28708318452.
The previous prime is 30013242031. The next prime is 30013242047. The reversal of 30013242041 is 14024231003.
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, and also an emirpimes, since its reverse is a distinct semiprime: 14024231003 = 809 ⋅17335267.
It is a cyclic number.
It is not a de Polignac number, because 30013242041 - 26 = 30013241977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30013242047) 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, 652461761 + ... + 652461806.
It is an arithmetic number, because the mean of its divisors is an integer number (7829541408).
Almost surely, 230013242041 is an apocalyptic number.
It is an amenable number.
30013242041 is a deficient number, since it is larger than the sum of its proper divisors (1304923591).
30013242041 is a wasteful number, since it uses less digits than its factorization.
30013242041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1304923590.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 30013242041 its reverse (14024231003), we get a palindrome (44037473044).
The spelling of 30013242041 in words is "thirty billion, thirteen million, two hundred forty-two thousand, forty-one".
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