Base | Representation |
---|---|
bin | 10010111010001110… |
… | …011000011010000000 |
3 | 1221102000221022001012 |
4 | 102322032120122000 |
5 | 313040333420334 |
6 | 13154433300052 |
7 | 1316104602200 |
oct | 227216303200 |
9 | 57360838035 |
10 | 20304201344 |
11 | 867a212a99 |
12 | 3b27a04628 |
13 | 1bb7716b2b |
14 | da8870400 |
15 | 7dc8099ce |
hex | 4ba398680 |
20304201344 has 96 divisors (see below), whose sum is σ = 49530628800. Its totient is φ = 8243762688.
The previous prime is 20304201319. The next prime is 20304201377. The reversal of 20304201344 is 44310240302.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33977 + ... + 204359.
It is an arithmetic number, because the mean of its divisors is an integer number (515944050).
Almost surely, 220304201344 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20304201344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24765314400).
20304201344 is an abundant number, since it is smaller than the sum of its proper divisors (29226427456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20304201344 is a wasteful number, since it uses less digits than its factorization.
20304201344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170430 (or 170411 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 20304201344 its reverse (44310240302), we get a palindrome (64614441646).
The spelling of 20304201344 in words is "twenty billion, three hundred four million, two hundred one thousand, three hundred forty-four".
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