Base | Representation |
---|---|
bin | 11100010110100010… |
… | …111010001100111011 |
3 | 2220120121220201002120 |
4 | 130112202322030323 |
5 | 444321403133430 |
6 | 21552455332323 |
7 | 2125256260413 |
oct | 342642721473 |
9 | 86517821076 |
10 | 30443021115 |
11 | 11a02323391 |
12 | 5a973810a3 |
13 | 2b420ba380 |
14 | 168b20b643 |
15 | bd2989610 |
hex | 7168ba33b |
30443021115 has 16 divisors (see below), whose sum is σ = 52455667488. Its totient is φ = 14987333376.
The previous prime is 30443021057. The next prime is 30443021129. The reversal of 30443021115 is 51112034403.
It is a happy number.
It is not a de Polignac number, because 30443021115 - 213 = 30443012923 is a prime.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 78058834 + ... + 78059223.
It is an arithmetic number, because the mean of its divisors is an integer number (3278479218).
Almost surely, 230443021115 is an apocalyptic number.
30443021115 is a deficient number, since it is larger than the sum of its proper divisors (22012646373).
30443021115 is a wasteful number, since it uses less digits than its factorization.
30443021115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156118078.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 30443021115 its reverse (51112034403), we get a palindrome (81555055518).
The spelling of 30443021115 in words is "thirty billion, four hundred forty-three million, twenty-one thousand, one hundred fifteen".
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