Base | Representation |
---|---|
bin | 11100000011010011… |
… | …000111010000111101 |
3 | 2212202010022021201122 |
4 | 130003103013100331 |
5 | 443141222110323 |
6 | 21500442320325 |
7 | 2114255511101 |
oct | 340323072075 |
9 | 85663267648 |
10 | 30120113213 |
11 | 11857022953 |
12 | 5a071b90a5 |
13 | 2ac022b6c8 |
14 | 165a393901 |
15 | bb4452ec8 |
hex | 7034c743d |
30120113213 has 8 divisors (see below), whose sum is σ = 30215030400. Its totient is φ = 30025243360.
The previous prime is 30120113173. The next prime is 30120113263. The reversal of 30120113213 is 31231102103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30120113213 - 210 = 30120112189 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30120113191 and 30120113200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30120113263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1603868 + ... + 1622538.
It is an arithmetic number, because the mean of its divisors is an integer number (3776878800).
Almost surely, 230120113213 is an apocalyptic number.
It is an amenable number.
30120113213 is a deficient number, since it is larger than the sum of its proper divisors (94917187).
30120113213 is a wasteful number, since it uses less digits than its factorization.
30120113213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23667.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 30120113213 its reverse (31231102103), we get a palindrome (61351215316).
The spelling of 30120113213 in words is "thirty billion, one hundred twenty million, one hundred thirteen thousand, two hundred thirteen".
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