Base | Representation |
---|---|
bin | 11100001111001110… |
… | …111000011001010000 |
3 | 2220021002001100222001 |
4 | 130033032320121100 |
5 | 444044001032240 |
6 | 21532353523344 |
7 | 2122236361330 |
oct | 341716703120 |
9 | 86232040861 |
10 | 30320330320 |
11 | 1194a043a35 |
12 | 5a62273554 |
13 | 2b22860777 |
14 | 1678bd10c0 |
15 | bc6d0189a |
hex | 70f3b8650 |
30320330320 has 80 divisors (see below), whose sum is σ = 80599127040. Its totient is φ = 10391196672.
The previous prime is 30320330303. The next prime is 30320330351. The reversal of 30320330320 is 2303302303.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×303203303202 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 1512684 + ... + 1532596.
It is an arithmetic number, because the mean of its divisors is an integer number (1007489088).
Almost surely, 230320330320 is an apocalyptic number.
It is an amenable number.
30320330320 is an abundant number, since it is smaller than the sum of its proper divisors (50278796720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30320330320 is a wasteful number, since it uses less digits than its factorization.
30320330320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22652 (or 22646 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 19.
Adding to 30320330320 its reverse (2303302303), we get a palindrome (32623632623).
The spelling of 30320330320 in words is "thirty billion, three hundred twenty million, three hundred thirty thousand, three hundred twenty".
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