Base | Representation |
---|---|
bin | 100100101010011… |
… | …1010111111110110 |
3 | 10011201212201100221 |
4 | 1021110322333312 |
5 | 10004414040202 |
6 | 322023524554 |
7 | 42325465012 |
oct | 11124727766 |
9 | 3151781327 |
10 | 1230221302 |
11 | 581478522 |
12 | 2a3bb975a |
13 | 167b460cb |
14 | b9559542 |
15 | 7300a037 |
hex | 4953aff6 |
1230221302 has 16 divisors (see below), whose sum is σ = 1855554624. Its totient is φ = 611712000.
The previous prime is 1230221297. The next prime is 1230221323. The reversal of 1230221302 is 2031220321.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345652 + ... + 349192.
It is an arithmetic number, because the mean of its divisors is an integer number (115972164).
Almost surely, 21230221302 is an apocalyptic number.
1230221302 is a deficient number, since it is larger than the sum of its proper divisors (625333322).
1230221302 is a wasteful number, since it uses less digits than its factorization.
1230221302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4455.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1230221302 is about 35074.5107164733. The cubic root of 1230221302 is about 1071.5055238579.
Adding to 1230221302 its reverse (2031220321), we get a palindrome (3261441623).
The spelling of 1230221302 in words is "one billion, two hundred thirty million, two hundred twenty-one thousand, three hundred two".
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