Base | Representation |
---|---|
bin | 10011110101101010… |
… | …000001000000110100 |
3 | 2000222112011020001012 |
4 | 103311222001000310 |
5 | 322111113120200 |
6 | 13441412451352 |
7 | 1352603034146 |
oct | 236552010064 |
9 | 60875136035 |
10 | 21301301300 |
11 | 9041035a44 |
12 | 4165919b58 |
13 | 2016179cc6 |
14 | 1061064c96 |
15 | 84a116a35 |
hex | 4f5a81034 |
21301301300 has 36 divisors (see below), whose sum is σ = 47298806016. Its totient is φ = 8322367200.
The previous prime is 21301301293. The next prime is 21301301317. The reversal of 21301301300 is 310310312.
It is a congruent number.
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, 2472596 + ... + 2481195.
Almost surely, 221301301300 is an apocalyptic number.
21301301300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
21301301300 is an abundant number, since it is smaller than the sum of its proper divisors (25997504716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21301301300 is a wasteful number, since it uses less digits than its factorization.
21301301300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4953848 (or 4953841 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 21301301300 its reverse (310310312), we get a palindrome (21611611612).
The spelling of 21301301300 in words is "twenty-one billion, three hundred one million, three hundred one thousand, three hundred".
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