Base | Representation |
---|---|
bin | 11100000011111000… |
… | …111100010111000111 |
3 | 2212202210222010000220 |
4 | 130003320330113013 |
5 | 443201241430043 |
6 | 21501435035423 |
7 | 2114436013062 |
oct | 340370742707 |
9 | 85683863026 |
10 | 30130030023 |
11 | 11861686565 |
12 | 5a0a59bb73 |
13 | 2ac22c1442 |
14 | 165b8158d9 |
15 | bb5261483 |
hex | 703e3c5c7 |
30130030023 has 4 divisors (see below), whose sum is σ = 40173373368. Its totient is φ = 20086686680.
The previous prime is 30130030013. The next prime is 30130030057. The reversal of 30130030023 is 32003003103.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30130030023 - 212 = 30130025927 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30130029984 and 30130030011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30130030003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5021671668 + ... + 5021671673.
It is an arithmetic number, because the mean of its divisors is an integer number (10043343342).
Almost surely, 230130030023 is an apocalyptic number.
30130030023 is a deficient number, since it is larger than the sum of its proper divisors (10043343345).
30130030023 is a wasteful number, since it uses less digits than its factorization.
30130030023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10043343344.
The product of its (nonzero) digits is 162, while the sum is 15.
Adding to 30130030023 its reverse (32003003103), we get a palindrome (62133033126).
The spelling of 30130030023 in words is "thirty billion, one hundred thirty million, thirty thousand, twenty-three".
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