Base | Representation |
---|---|
bin | 1100010111010101101… |
… | …0010100101010000010 |
3 | 202022022010210021011221 |
4 | 3011311122110222002 |
5 | 11440020321412010 |
6 | 241330315025254 |
7 | 21230021452444 |
oct | 3056532245202 |
9 | 668263707157 |
10 | 212423232130 |
11 | 820a741639a |
12 | 3520413b22a |
13 | 1705406a8c5 |
14 | a3d1dd0494 |
15 | 57d3e46dda |
hex | 3175694a82 |
212423232130 has 16 divisors (see below), whose sum is σ = 382381770240. Its totient is φ = 84964858992.
The previous prime is 212423232127. The next prime is 212423232149. The reversal of 212423232130 is 31232324212.
It is a junction number, because it is equal to n+sod(n) for n = 212423232095 and 212423232104.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349410 + ... + 739549.
It is an arithmetic number, because the mean of its divisors is an integer number (23898860640).
Almost surely, 2212423232130 is an apocalyptic number.
212423232130 is a deficient number, since it is larger than the sum of its proper divisors (169958538110).
212423232130 is a wasteful number, since it uses less digits than its factorization.
212423232130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1108473.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 212423232130 its reverse (31232324212), we get a palindrome (243655556342).
The spelling of 212423232130 in words is "two hundred twelve billion, four hundred twenty-three million, two hundred thirty-two thousand, one hundred thirty".
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