Base | Representation |
---|---|
bin | 1100011010010100011… |
… | …0011101110101101110 |
3 | 202101100220022121120000 |
4 | 3012211012131311232 |
5 | 11443140133130410 |
6 | 241541540005130 |
7 | 21255605266635 |
oct | 3064506356556 |
9 | 671326277500 |
10 | 213223333230 |
11 | 82478016176 |
12 | 353a80907a6 |
13 | 17150a577cb |
14 | a46a38451c |
15 | 582e2dddc0 |
hex | 31a519dd6e |
213223333230 has 240 divisors, whose sum is σ = 594995030784. Its totient is φ = 54748016640.
The previous prime is 213223333217. The next prime is 213223333237. The reversal of 213223333230 is 32333322312.
213223333230 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 2 + 333 + 323 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 213223333194 and 213223333203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213223333237) by changing a digit.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1104784014 + ... + 1104784206.
Almost surely, 2213223333230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213223333230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297497515392).
213223333230 is an abundant number, since it is smaller than the sum of its proper divisors (381771697554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213223333230 is a wasteful number, since it uses less digits than its factorization.
213223333230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 633 (or 431 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 27.
Adding to 213223333230 its reverse (32333322312), we get a palindrome (245556655542).
The spelling of 213223333230 in words is "two hundred thirteen billion, two hundred twenty-three million, three hundred thirty-three thousand, two hundred thirty".
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