Base | Representation |
---|---|
bin | 11100001110001101… |
… | …010100100111100100 |
3 | 2220012212201020100020 |
4 | 130032031110213210 |
5 | 444030101110140 |
6 | 21530541315140 |
7 | 2121640322553 |
oct | 341615244744 |
9 | 86185636306 |
10 | 30303144420 |
11 | 11940375a0a |
12 | 5a58565ab0 |
13 | 2b1c1241b3 |
14 | 16767d9d9a |
15 | bc55596d0 |
hex | 70e3549e4 |
30303144420 has 48 divisors (see below), whose sum is σ = 85229329920. Its totient is φ = 8044598016.
The previous prime is 30303144401. The next prime is 30303144439. The reversal of 30303144420 is 2444130303.
It is an interprime number because it is at equal distance from previous prime (30303144401) and next prime (30303144439).
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, 1119025 + ... + 1145784.
It is an arithmetic number, because the mean of its divisors is an integer number (1775611040).
Almost surely, 230303144420 is an apocalyptic number.
30303144420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30303144420 is an abundant number, since it is smaller than the sum of its proper divisors (54926185500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30303144420 is a wasteful number, since it uses less digits than its factorization.
30303144420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2265044 (or 2265042 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 30303144420 its reverse (2444130303), we get a palindrome (32747274723).
The spelling of 30303144420 in words is "thirty billion, three hundred three million, one hundred forty-four thousand, four hundred twenty".
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