Base | Representation |
---|---|
bin | 11000101000100011… |
… | …00010100101100001 |
3 | 1021010200020212020100 |
4 | 30110101202211201 |
5 | 204041102404241 |
6 | 10024150333013 |
7 | 645505010346 |
oct | 142421424541 |
9 | 37120225210 |
10 | 13225044321 |
11 | 56772135a5 |
12 | 269105a169 |
13 | 1329bb7418 |
14 | 8d65ca7cd |
15 | 5260a69b6 |
hex | 314462961 |
13225044321 has 12 divisors (see below), whose sum is σ = 19933400448. Its totient is φ = 8433361464.
The previous prime is 13225044293. The next prime is 13225044331. The reversal of 13225044321 is 12344052231.
13225044321 is a `hidden beast` number, since 1 + 3 + 225 + 0 + 4 + 432 + 1 = 666.
It is not a de Polignac number, because 13225044321 - 217 = 13224913249 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13225044331) 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, 31944345 + ... + 31944758.
It is an arithmetic number, because the mean of its divisors is an integer number (1661116704).
Almost surely, 213225044321 is an apocalyptic number.
It is an amenable number.
13225044321 is a deficient number, since it is larger than the sum of its proper divisors (6708356127).
13225044321 is a wasteful number, since it uses less digits than its factorization.
13225044321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63889132 (or 63889129 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 13225044321 its reverse (12344052231), we get a palindrome (25569096552).
The spelling of 13225044321 in words is "thirteen billion, two hundred twenty-five million, forty-four thousand, three hundred twenty-one".
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