Base | Representation |
---|---|
bin | 1100010101110101100… |
… | …1010111111011110110 |
3 | 202021021001122201200100 |
4 | 3011131121113323312 |
5 | 11433204201031410 |
6 | 241222323254530 |
7 | 21214030033362 |
oct | 3053531277366 |
9 | 667231581610 |
10 | 212020330230 |
11 | 81a0aa49215 |
12 | 3511121a446 |
13 | 16cbb751507 |
14 | a3946b22a2 |
15 | 57ad8ad8c0 |
hex | 315d657ef6 |
212020330230 has 144 divisors (see below), whose sum is σ = 577812690000. Its totient is φ = 53929843968.
The previous prime is 212020330199. The next prime is 212020330243. The reversal of 212020330230 is 32033020212.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6265396 + ... + 6299144.
It is an arithmetic number, because the mean of its divisors is an integer number (4012588125).
Almost surely, 2212020330230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212020330230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288906345000).
212020330230 is an abundant number, since it is smaller than the sum of its proper divisors (365792359770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212020330230 is a wasteful number, since it uses less digits than its factorization.
212020330230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33903 (or 33871 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 212020330230 its reverse (32033020212), we get a palindrome (244053350442).
The spelling of 212020330230 in words is "two hundred twelve billion, twenty million, three hundred thirty thousand, two hundred thirty".
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