Base | Representation |
---|---|
bin | 100110111100100… |
… | …0011001010100001 |
3 | 10101001222100200200 |
4 | 1031321003022201 |
5 | 10134020111201 |
6 | 333401135413 |
7 | 44245423605 |
oct | 11571031241 |
9 | 3331870620 |
10 | 1306800801 |
11 | 610722869 |
12 | 30578a569 |
13 | 17a979617 |
14 | c57b1505 |
15 | 79ad5386 |
hex | 4de432a1 |
1306800801 has 12 divisors (see below), whose sum is σ = 1889507412. Its totient is φ = 870320736.
The previous prime is 1306800797. The next prime is 1306800811. The reversal of 1306800801 is 1080086031.
It can be written as a sum of positive squares in 2 ways, for example, as 857318400 + 449482401 = 29280^2 + 21201^2 .
It is not a de Polignac number, because 1306800801 - 22 = 1306800797 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1306800811) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63846 + ... + 81791.
It is an arithmetic number, because the mean of its divisors is an integer number (157458951).
Almost surely, 21306800801 is an apocalyptic number.
It is an amenable number.
1306800801 is a deficient number, since it is larger than the sum of its proper divisors (582706611).
1306800801 is a wasteful number, since it uses less digits than its factorization.
1306800801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146640 (or 146637 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 1306800801 is about 36149.6998742728. The cubic root of 1306800801 is about 1093.2927395345.
Adding to 1306800801 its reverse (1080086031), we get a palindrome (2386886832).
The spelling of 1306800801 in words is "one billion, three hundred six million, eight hundred thousand, eight hundred one".
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