Base | Representation |
---|---|
bin | 10010111010001110… |
… | …110000100101111100 |
3 | 1221102001010022221101 |
4 | 102322032300211330 |
5 | 313040400103122 |
6 | 13154435342444 |
7 | 1316105464054 |
oct | 227216604574 |
9 | 57361108841 |
10 | 20304300412 |
11 | 867a280470 |
12 | 3b27a51a24 |
13 | 1bb774cc56 |
14 | da8898564 |
15 | 7dc829027 |
hex | 4ba3b097c |
20304300412 has 24 divisors (see below), whose sum is σ = 39810400560. Its totient is φ = 8979788160.
The previous prime is 20304300389. The next prime is 20304300413. The reversal of 20304300412 is 21400340302.
It is a self number, because there is not a number n which added to its sum of digits gives 20304300412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20304300413) 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, 6234337 + ... + 6237592.
It is an arithmetic number, because the mean of its divisors is an integer number (1658766690).
Almost surely, 220304300412 is an apocalyptic number.
20304300412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20304300412 is a deficient number, since it is larger than the sum of its proper divisors (19506100148).
20304300412 is a wasteful number, since it uses less digits than its factorization.
20304300412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12471981 (or 12471979 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 20304300412 its reverse (21400340302), we get a palindrome (41704640714).
The spelling of 20304300412 in words is "twenty billion, three hundred four million, three hundred thousand, four hundred twelve".
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