Base | Representation |
---|---|
bin | 1100010011110000010… |
… | …1010101101111010110 |
3 | 202012211002222200000100 |
4 | 3010330011111233112 |
5 | 11431033111231410 |
6 | 241051040154530 |
7 | 21164132333331 |
oct | 3047405255726 |
9 | 665732880010 |
10 | 211461430230 |
11 | 81753512396 |
12 | 34b96008a46 |
13 | 16c2ca1605b |
14 | a340387618 |
15 | 57797ad8c0 |
hex | 313c155bd6 |
211461430230 has 96 divisors (see below), whose sum is σ = 565225599744. Its totient is φ = 54810632448.
The previous prime is 211461430223. The next prime is 211461430289. The reversal of 211461430230 is 32034164112.
It is a happy number.
211461430230 is a `hidden beast` number, since 2 + 1 + 14 + 614 + 3 + 0 + 2 + 30 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 211461430194 and 211461430203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3341947 + ... + 3404633.
It is an arithmetic number, because the mean of its divisors is an integer number (5887766664).
Almost surely, 2211461430230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 211461430230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282612799872).
211461430230 is an abundant number, since it is smaller than the sum of its proper divisors (353764169514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211461430230 is a wasteful number, since it uses less digits than its factorization.
211461430230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63750 (or 63747 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
Adding to 211461430230 its reverse (32034164112), we get a palindrome (243495594342).
The spelling of 211461430230 in words is "two hundred eleven billion, four hundred sixty-one million, four hundred thirty thousand, two hundred thirty".
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