Base | Representation |
---|---|
bin | 11000110101000101… |
… | …10000100100000000 |
3 | 1021102000011101221110 |
4 | 30122202300210000 |
5 | 204300014040222 |
6 | 10042424523320 |
7 | 651223003662 |
oct | 143242604400 |
9 | 37360141843 |
10 | 13330221312 |
11 | 5720620631 |
12 | 2700320540 |
13 | 1345921425 |
14 | 906568532 |
15 | 53043030c |
hex | 31a8b0900 |
13330221312 has 36 divisors (see below), whose sum is σ = 35477830640. Its totient is φ = 4443406848.
The previous prime is 13330221293. The next prime is 13330221313. The reversal of 13330221312 is 21312203331.
It is not an unprimeable number, because it can be changed into a prime (13330221313) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8677762 + ... + 8679297.
Almost surely, 213330221312 is an apocalyptic number.
13330221312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13330221312 is an abundant number, since it is smaller than the sum of its proper divisors (22147609328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13330221312 is an equidigital number, since it uses as much as digits as its factorization.
13330221312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17357078 (or 17357064 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 13330221312 its reverse (21312203331), we get a palindrome (34642424643).
The spelling of 13330221312 in words is "thirteen billion, three hundred thirty million, two hundred twenty-one thousand, three hundred twelve".
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