Base | Representation |
---|---|
bin | 11100001110010000… |
… | …111111000001001000 |
3 | 2220012221112000100111 |
4 | 130032100333001020 |
5 | 444030322321040 |
6 | 21531014044104 |
7 | 2121651431644 |
oct | 341620770110 |
9 | 86187460314 |
10 | 30304104520 |
11 | 11940971288 |
12 | 5a58949634 |
13 | 2b1c39c1c1 |
14 | 16769a9c24 |
15 | bc5698dea |
hex | 70e43f048 |
30304104520 has 32 divisors (see below), whose sum is σ = 68272512120. Its totient is φ = 12105948160.
The previous prime is 30304104469. The next prime is 30304104527. The reversal of 30304104520 is 2540140303.
It can be written as a sum of positive squares in 4 ways, for example, as 8634498084 + 21669606436 = 92922^2 + 147206^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30304104491 and 30304104500.
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 7 ways as a sum of consecutive naturals, for example, 459121 + ... + 520960.
Almost surely, 230304104520 is an apocalyptic number.
It is an amenable number.
30304104520 is an abundant number, since it is smaller than the sum of its proper divisors (37968407600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30304104520 is a wasteful number, since it uses less digits than its factorization.
30304104520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 980865 (or 980861 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
Adding to 30304104520 its reverse (2540140303), we get a palindrome (32844244823).
The spelling of 30304104520 in words is "thirty billion, three hundred four million, one hundred four thousand, five hundred twenty".
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