Base | Representation |
---|---|
bin | 1100001111001010110… |
… | …1011111000100100110 |
3 | 202002122022122220012010 |
4 | 3003302231133010212 |
5 | 11421022443041410 |
6 | 240324543535050 |
7 | 21121464154236 |
oct | 3036255370446 |
9 | 662568586163 |
10 | 210230440230 |
11 | 8118166a388 |
12 | 348b18ba486 |
13 | 16a949910c5 |
14 | a264aabcc6 |
15 | 57066a0c20 |
hex | 30f2b5f126 |
210230440230 has 128 divisors (see below), whose sum is σ = 532606482432. Its totient is φ = 53043614208.
The previous prime is 210230440213. The next prime is 210230440249. The reversal of 210230440230 is 32044032012.
It is a junction number, because it is equal to n+sod(n) for n = 210230440197 and 210230440206.
It is a congruent number.
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, 8177857 + ... + 8203523.
It is an arithmetic number, because the mean of its divisors is an integer number (4160988144).
Almost surely, 2210230440230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 210230440230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266303241216).
210230440230 is an abundant number, since it is smaller than the sum of its proper divisors (322376042202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210230440230 is a wasteful number, since it uses less digits than its factorization.
210230440230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25918.
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 210230440230 its reverse (32044032012), we get a palindrome (242274472242).
The spelling of 210230440230 in words is "two hundred ten billion, two hundred thirty million, four hundred forty thousand, two hundred thirty".
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