Base | Representation |
---|---|
bin | 100100101010101… |
… | …0011101000100100 |
3 | 10011202001211210100 |
4 | 1021111103220210 |
5 | 10004430302322 |
6 | 322030024100 |
7 | 42326365140 |
oct | 11125235044 |
9 | 3152054710 |
10 | 1230322212 |
11 | 581537319 |
12 | 2a4048030 |
13 | 167b80012 |
14 | b9584220 |
15 | 73029dac |
hex | 49553a24 |
1230322212 has 72 divisors (see below), whose sum is σ = 3557788416. Its totient is φ = 351172224.
The previous prime is 1230322201. The next prime is 1230322229. The reversal of 1230322212 is 2122230321.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359413 + ... + 362819.
It is an arithmetic number, because the mean of its divisors is an integer number (49413728).
Almost surely, 21230322212 is an apocalyptic number.
1230322212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1230322212 is an abundant number, since it is smaller than the sum of its proper divisors (2327466204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230322212 is a wasteful number, since it uses less digits than its factorization.
1230322212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4857 (or 4852 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1230322212 is about 35075.9491959947. The cubic root of 1230322212 is about 1071.5348201225.
Adding to 1230322212 its reverse (2122230321), we get a palindrome (3352552533).
The spelling of 1230322212 in words is "one billion, two hundred thirty million, three hundred twenty-two thousand, two hundred twelve".
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