Base | Representation |
---|---|
bin | 11100001110010000… |
… | …111111000001001001 |
3 | 2220012221112000100112 |
4 | 130032100333001021 |
5 | 444030322321041 |
6 | 21531014044105 |
7 | 2121651431645 |
oct | 341620770111 |
9 | 86187460315 |
10 | 30304104521 |
11 | 11940971289 |
12 | 5a58949635 |
13 | 2b1c39c1c2 |
14 | 16769a9c25 |
15 | bc5698deb |
hex | 70e43f049 |
30304104521 has 16 divisors (see below), whose sum is σ = 31224061440. Its totient is φ = 29397950400.
The previous prime is 30304104469. The next prime is 30304104527. The reversal of 30304104521 is 12540140303.
It is a cyclic number.
It is not a de Polignac number, because 30304104521 - 214 = 30304088137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30304104527) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3822800 + ... + 3830718.
It is an arithmetic number, because the mean of its divisors is an integer number (1951503840).
Almost surely, 230304104521 is an apocalyptic number.
It is an amenable number.
30304104521 is a deficient number, since it is larger than the sum of its proper divisors (919956919).
30304104521 is a wasteful number, since it uses less digits than its factorization.
30304104521 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8776.
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 30304104521 its reverse (12540140303), we get a palindrome (42844244824).
The spelling of 30304104521 in words is "thirty billion, three hundred four million, one hundred four thousand, five hundred twenty-one".
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