Base | Representation |
---|---|
bin | 11100010101110110… |
… | …010110101010110001 |
3 | 2220112210221022022100 |
4 | 130111312112222301 |
5 | 444310410404413 |
6 | 21551401131013 |
7 | 2125055063316 |
oct | 342566265261 |
9 | 86483838270 |
10 | 30431341233 |
11 | 119a6776097 |
12 | 5a93489a69 |
13 | 2b3c85acb7 |
14 | 168984ad0d |
15 | bd192da73 |
hex | 715d96ab1 |
30431341233 has 6 divisors (see below), whose sum is σ = 43956381794. Its totient is φ = 20287560816.
The previous prime is 30431341231. The next prime is 30431341277. The reversal of 30431341233 is 33214313403.
30431341233 is a `hidden beast` number, since 304 + 313 + 4 + 12 + 33 = 666.
It can be written as a sum of positive squares in only one way, i.e., 30155017104 + 276324129 = 173652^2 + 16623^2 .
It is not a de Polignac number, because 30431341233 - 21 = 30431341231 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30431341197 and 30431341206.
It is not an unprimeable number, because it can be changed into a prime (30431341231) 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 5 ways as a sum of consecutive naturals, for example, 1690630060 + ... + 1690630077.
Almost surely, 230431341233 is an apocalyptic number.
It is an amenable number.
30431341233 is a deficient number, since it is larger than the sum of its proper divisors (13525040561).
30431341233 is a wasteful number, since it uses less digits than its factorization.
30431341233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3381260143 (or 3381260140 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 27.
Adding to 30431341233 its reverse (33214313403), we get a palindrome (63645654636).
The spelling of 30431341233 in words is "thirty billion, four hundred thirty-one million, three hundred forty-one thousand, two hundred thirty-three".
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