Base | Representation |
---|---|
bin | 11100001111001110… |
… | …111001000110111000 |
3 | 2220021002001111222012 |
4 | 130033032321012320 |
5 | 444044001130430 |
6 | 21532353545052 |
7 | 2122236403001 |
oct | 341716710670 |
9 | 86232044865 |
10 | 30320333240 |
11 | 1194a04614a |
12 | 5a62275188 |
13 | 2b22861bb2 |
14 | 1678bd21a8 |
15 | bc6d02695 |
hex | 70f3b91b8 |
30320333240 has 16 divisors (see below), whose sum is σ = 68220749880. Its totient is φ = 12128133280.
The previous prime is 30320333233. The next prime is 30320333269. The reversal of 30320333240 is 4233302303.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 379004126 + ... + 379004205.
Almost surely, 230320333240 is an apocalyptic number.
It is an amenable number.
30320333240 is an abundant number, since it is smaller than the sum of its proper divisors (37900416640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30320333240 is a wasteful number, since it uses less digits than its factorization.
30320333240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 758008342 (or 758008338 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 23.
Adding to 30320333240 its reverse (4233302303), we get a palindrome (34553635543).
The spelling of 30320333240 in words is "thirty billion, three hundred twenty million, three hundred thirty-three thousand, two hundred forty".
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