Base | Representation |
---|---|
bin | 11011111110000111… |
… | …111100101000101101 |
3 | 2212112001221201101221 |
4 | 123332013330220231 |
5 | 443002011100023 |
6 | 21444101503341 |
7 | 2112152560303 |
oct | 337607745055 |
9 | 85461851357 |
10 | 30033300013 |
11 | 11812018902 |
12 | 59a2111b51 |
13 | 2aa8254152 |
14 | 164ca36273 |
15 | baba0585d |
hex | 6fe1fca2d |
30033300013 has 4 divisors (see below), whose sum is σ = 30083272828. Its totient is φ = 29983327200.
The previous prime is 30033299993. The next prime is 30033300043. The reversal of 30033300013 is 31000333003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31000333003 = 41 ⋅756105683.
It can be written as a sum of positive squares in 2 ways, for example, as 14746944969 + 15286355044 = 121437^2 + 123638^2 .
It is a cyclic number.
It is not a de Polignac number, because 30033300013 - 229 = 29496429101 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30033300013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30033300043) 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, 24985506 + ... + 24986707.
It is an arithmetic number, because the mean of its divisors is an integer number (7520818207).
Almost surely, 230033300013 is an apocalyptic number.
It is an amenable number.
30033300013 is a deficient number, since it is larger than the sum of its proper divisors (49972815).
30033300013 is an equidigital number, since it uses as much as digits as its factorization.
30033300013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49972814.
The product of its (nonzero) digits is 243, while the sum is 16.
Adding to 30033300013 its reverse (31000333003), we get a palindrome (61033633016).
The spelling of 30033300013 in words is "thirty billion, thirty-three million, three hundred thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •