Base | Representation |
---|---|
bin | 1001101011111010110001… |
… | …10001001010010100100000 |
3 | 2210102021121210120000121201 |
4 | 10311331120301022110200 |
5 | 10242440333404300300 |
6 | 113145105212330544 |
7 | 4325614415366101 |
oct | 465753061122440 |
9 | 83367553500551 |
10 | 21300232103200 |
11 | 68724177a9856 |
12 | 2480164773a54 |
13 | bb67ac4c583b |
14 | 538d185843a8 |
15 | 26e10435766a |
hex | 135f58c4a520 |
21300232103200 has 288 divisors, whose sum is σ = 55582813972224. Its totient is φ = 7942832701440.
The previous prime is 21300232103147. The next prime is 21300232103201. The reversal of 21300232103200 is 230123200312.
It is not an unprimeable number, because it can be changed into a prime (21300232103201) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 608160889 + ... + 608195911.
It is an arithmetic number, because the mean of its divisors is an integer number (192995881848).
Almost surely, 221300232103200 is an apocalyptic number.
21300232103200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 21300232103200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27791406986112).
21300232103200 is an abundant number, since it is smaller than the sum of its proper divisors (34282581869024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21300232103200 is a wasteful number, since it uses less digits than its factorization.
21300232103200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35484 (or 35471 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 21300232103200 its reverse (230123200312), we get a palindrome (21530355303512).
The spelling of 21300232103200 in words is "twenty-one trillion, three hundred billion, two hundred thirty-two million, one hundred three thousand, two hundred".
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