Base | Representation |
---|---|
bin | 11100001111001110… |
… | …111000011011001010 |
3 | 2220021002001101010120 |
4 | 130033032320123022 |
5 | 444044001033232 |
6 | 21532353524110 |
7 | 2122236361563 |
oct | 341716703312 |
9 | 86232041116 |
10 | 30320330442 |
11 | 1194a044036 |
12 | 5a62273636 |
13 | 2b2286083c |
14 | 1678bd116a |
15 | bc6d0192c |
hex | 70f3b86ca |
30320330442 has 8 divisors (see below), whose sum is σ = 60640660896. Its totient is φ = 10106776812.
The previous prime is 30320330419. The next prime is 30320330477. The reversal of 30320330442 is 24403302303.
It is a sphenic number, since it is the product of 3 distinct primes.
30320330442 is an admirable number.
It is a super-2 number, since 2×303203304422 (a number of 22 digits) contains 22 as substring.
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, 2526694198 + ... + 2526694209.
It is an arithmetic number, because the mean of its divisors is an integer number (7580082612).
Almost surely, 230320330442 is an apocalyptic number.
30320330442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30320330442 is a wasteful number, since it uses less digits than its factorization.
30320330442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5053388412.
The product of its (nonzero) digits is 5184, while the sum is 24.
Adding to 30320330442 its reverse (24403302303), we get a palindrome (54723632745).
The spelling of 30320330442 in words is "thirty billion, three hundred twenty million, three hundred thirty thousand, four hundred forty-two".
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