Base | Representation |
---|---|
bin | 11100001110010101… |
… | …001101111001010000 |
3 | 2220020000121101022112 |
4 | 130032111031321100 |
5 | 444031113322112 |
6 | 21531053524452 |
7 | 2121664032452 |
oct | 341625157120 |
9 | 86200541275 |
10 | 30305214032 |
11 | 11941559935 |
12 | 5a591a3728 |
13 | 2b1c69a212 |
14 | 1676bb82d2 |
15 | bc5817a22 |
hex | 70e54de50 |
30305214032 has 10 divisors (see below), whose sum is σ = 58716352218. Its totient is φ = 15152607008.
The previous prime is 30305214011. The next prime is 30305214041. The reversal of 30305214032 is 23041250303.
It can be written as a sum of positive squares in only one way, i.e., 29219116096 + 1086097936 = 170936^2 + 32956^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30305213989 and 30305214007.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 947037923 + ... + 947037954.
Almost surely, 230305214032 is an apocalyptic number.
It is an amenable number.
30305214032 is a deficient number, since it is larger than the sum of its proper divisors (28411138186).
30305214032 is a wasteful number, since it uses less digits than its factorization.
30305214032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1894075885 (or 1894075879 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 23.
Adding to 30305214032 its reverse (23041250303), we get a palindrome (53346464335).
The spelling of 30305214032 in words is "thirty billion, three hundred five million, two hundred fourteen thousand, thirty-two".
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