Base | Representation |
---|---|
bin | 11000110001100000… |
… | …10100010110001001 |
3 | 1021022220201020200200 |
4 | 30120300110112021 |
5 | 204214324040241 |
6 | 10035433522413 |
7 | 650410005312 |
oct | 143060242611 |
9 | 37286636620 |
10 | 13300221321 |
11 | 57056a0152 |
12 | 26b2273409 |
13 | 133c64945a |
14 | 902599609 |
15 | 52c9a64b6 |
hex | 318c14589 |
13300221321 has 12 divisors (see below), whose sum is σ = 19427290740. Its totient is φ = 8767186560.
The previous prime is 13300221299. The next prime is 13300221329. The reversal of 13300221321 is 12312200331.
It can be written as a sum of positive squares in 2 ways, for example, as 4281870096 + 9018351225 = 65436^2 + 94965^2 .
It is not a de Polignac number, because 13300221321 - 218 = 13299959177 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13300221294 and 13300221303.
It is not an unprimeable number, because it can be changed into a prime (13300221329) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 8301460 + ... + 8303061.
It is an arithmetic number, because the mean of its divisors is an integer number (1618940895).
Almost surely, 213300221321 is an apocalyptic number.
It is an amenable number.
13300221321 is a deficient number, since it is larger than the sum of its proper divisors (6127069419).
13300221321 is a wasteful number, since it uses less digits than its factorization.
13300221321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16604616 (or 16604613 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 13300221321 its reverse (12312200331), we get a palindrome (25612421652).
The spelling of 13300221321 in words is "thirteen billion, three hundred million, two hundred twenty-one thousand, three hundred twenty-one".
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