Base | Representation |
---|---|
bin | 1101101100100111000110… |
… | …00011100001001100111101 |
3 | 10221122110021221201112012121 |
4 | 12312103203003201030331 |
5 | 12421442001211430023 |
6 | 144020554144202541 |
7 | 6226051436656306 |
oct | 666234303411475 |
9 | 127573257645177 |
10 | 30120120030013 |
11 | 9662964588532 |
12 | 3465593309451 |
13 | 13a64134610a0 |
14 | 761b706197ad |
15 | 37376058dd5d |
hex | 1b64e30e133d |
30120120030013 has 4 divisors (see below), whose sum is σ = 32437052340028. Its totient is φ = 27803187720000.
The previous prime is 30120120029971. The next prime is 30120120030017. The reversal of 30120120030013 is 31003002102103.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 7715072870404 + 22405047159609 = 2777602^2 + 4733397^2 .
It is a cyclic number.
It is not a de Polignac number, because 30120120030013 - 213 = 30120120021821 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 (30120120030017) 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, 1158466154988 + ... + 1158466155013.
It is an arithmetic number, because the mean of its divisors is an integer number (8109263085007).
Almost surely, 230120120030013 is an apocalyptic number.
It is an amenable number.
30120120030013 is a deficient number, since it is larger than the sum of its proper divisors (2316932310015).
30120120030013 is a wasteful number, since it uses less digits than its factorization.
30120120030013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2316932310014.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30120120030013 its reverse (31003002102103), we get a palindrome (61123122132116).
The spelling of 30120120030013 in words is "thirty trillion, one hundred twenty billion, one hundred twenty million, thirty thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.099 sec. • engine limits •