Base | Representation |
---|---|
bin | 11100001110010001… |
… | …101110110100100001 |
3 | 2220012221212221221101 |
4 | 130032101232310201 |
5 | 444030400102241 |
6 | 21531022154401 |
7 | 2121653205541 |
oct | 341621566441 |
9 | 86187787841 |
10 | 30304300321 |
11 | 11940a953a9 |
12 | 5a58a22a01 |
13 | 2b1c43a369 |
14 | 1676a1b321 |
15 | bc56d6e31 |
hex | 70e46ed21 |
30304300321 has 4 divisors (see below), whose sum is σ = 30330630144. Its totient is φ = 30277970500.
The previous prime is 30304300307. The next prime is 30304300333. The reversal of 30304300321 is 12300340303.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12300340303 = 61 ⋅201644923.
It is a cyclic number.
It is not a de Polignac number, because 30304300321 - 25 = 30304300289 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30304300361) by changing a digit.
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 in 3 ways as a sum of consecutive naturals, for example, 13163185 + ... + 13165486.
It is an arithmetic number, because the mean of its divisors is an integer number (7582657536).
Almost surely, 230304300321 is an apocalyptic number.
It is an amenable number.
30304300321 is a deficient number, since it is larger than the sum of its proper divisors (26329823).
30304300321 is a wasteful number, since it uses less digits than its factorization.
30304300321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26329822.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 30304300321 its reverse (12300340303), we get a palindrome (42604640624).
It can be divided in two parts, 30304 and 300321, that added together give a square (330625 = 5752).
The spelling of 30304300321 in words is "thirty billion, three hundred four million, three hundred thousand, three hundred twenty-one".
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