Base | Representation |
---|---|
bin | 11011111110101001… |
… | …111010010100001101 |
3 | 2212112200201001120012 |
4 | 123332221322110031 |
5 | 443011301002110 |
6 | 21445020403005 |
7 | 2112321341564 |
oct | 337651722415 |
9 | 85480631505 |
10 | 30042203405 |
11 | 1181704a085 |
12 | 59a50a6465 |
13 | 2aaa050826 |
14 | 164dcb2bdb |
15 | bac6b3905 |
hex | 6fea7a50d |
30042203405 has 16 divisors (see below), whose sum is σ = 36570016560. Its totient is φ = 23689801728.
The previous prime is 30042203371. The next prime is 30042203417. The reversal of 30042203405 is 50430224003.
It can be written as a sum of positive squares in 8 ways, for example, as 4238921449 + 25803281956 = 65107^2 + 160634^2 .
It is a cyclic number.
It is not a de Polignac number, because 30042203405 - 222 = 30038009101 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37622 + ... + 247991.
It is an arithmetic number, because the mean of its divisors is an integer number (2285626035).
Almost surely, 230042203405 is an apocalyptic number.
It is an amenable number.
30042203405 is a deficient number, since it is larger than the sum of its proper divisors (6527813155).
30042203405 is a wasteful number, since it uses less digits than its factorization.
30042203405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 285920.
The product of its (nonzero) digits is 2880, while the sum is 23.
Adding to 30042203405 its reverse (50430224003), we get a palindrome (80472427408).
The spelling of 30042203405 in words is "thirty billion, forty-two million, two hundred three thousand, four hundred five".
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