Base | Representation |
---|---|
bin | 1001101010001100101100… |
… | …00001101100001000000000 |
3 | 2210012122001220002112201210 |
4 | 10311012112001230020000 |
5 | 10241003313324212000 |
6 | 113102012431530120 |
7 | 4321423003364445 |
oct | 465062601541000 |
9 | 83178056075653 |
10 | 21241130304000 |
11 | 684a349335302 |
12 | 247080b689940 |
13 | bb1050b82119 |
14 | 53610d0dd9cc |
15 | 26c7e58c8350 |
hex | 13519606c200 |
21241130304000 has 640 divisors, whose sum is σ = 71207726413824. Its totient is φ = 5617489920000.
The previous prime is 21241130303989. The next prime is 21241130304073. The reversal of 21241130304000 is 40303114212.
It is a tau number, because it is divible by the number of its divisors (640).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14057663245 + ... + 14057664755.
Almost surely, 221241130304000 is an apocalyptic number.
21241130304000 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 21241130304000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35603863206912).
21241130304000 is an abundant number, since it is smaller than the sum of its proper divisors (49966596109824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21241130304000 is a wasteful number, since it uses less digits than its factorization.
21241130304000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2105 (or 2079 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 21241130304000 its reverse (40303114212), we get a palindrome (21281433418212).
The spelling of 21241130304000 in words is "twenty-one trillion, two hundred forty-one billion, one hundred thirty million, three hundred four thousand".
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