Base | Representation |
---|---|
bin | 11011111111011010… |
… | …110100100110011101 |
3 | 2212120120211110120001 |
4 | 123333122310212131 |
5 | 443023041300203 |
6 | 21450155254301 |
7 | 2112535332514 |
oct | 337732644635 |
9 | 85516743501 |
10 | 30055025053 |
11 | 11823307189 |
12 | 59a944a391 |
13 | 2aac8bc7c1 |
14 | 165188d67b |
15 | bad89791d |
hex | 6ff6b499d |
30055025053 has 4 divisors (see below), whose sum is σ = 30753979168. Its totient is φ = 29356070940.
The previous prime is 30055025041. The next prime is 30055025057. The reversal of 30055025053 is 35052055003.
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.
It is a cyclic number.
It is not a de Polignac number, because 30055025053 - 225 = 30021470621 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30055025057) 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, 349476993 + ... + 349477078.
It is an arithmetic number, because the mean of its divisors is an integer number (7688494792).
Almost surely, 230055025053 is an apocalyptic number.
It is an amenable number.
30055025053 is a deficient number, since it is larger than the sum of its proper divisors (698954115).
30055025053 is an equidigital number, since it uses as much as digits as its factorization.
30055025053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 698954114.
The product of its (nonzero) digits is 11250, while the sum is 28.
The spelling of 30055025053 in words is "thirty billion, fifty-five million, twenty-five thousand, fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •