Base | Representation |
---|---|
bin | 11000011110110010… |
… | …00111011100101011 |
3 | 1020220222010220102211 |
4 | 30033121013130223 |
5 | 203404121103420 |
6 | 10012103105551 |
7 | 643461611524 |
oct | 141731073453 |
9 | 36828126384 |
10 | 13143144235 |
11 | 5634a64881 |
12 | 26697422b7 |
13 | 1315c40230 |
14 | 8c978b84b |
15 | 51dcc9e5a |
hex | 30f64772b |
13143144235 has 16 divisors (see below), whose sum is σ = 17005544640. Its totient is φ = 9693959040.
The previous prime is 13143144191. The next prime is 13143144239. The reversal of 13143144235 is 53244134131.
It is not a de Polignac number, because 13143144235 - 213 = 13143136043 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13143144197 and 13143144206.
It is not an unprimeable number, because it can be changed into a prime (13143144239) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 68071 + ... + 175840.
It is an arithmetic number, because the mean of its divisors is an integer number (1062846540).
Almost surely, 213143144235 is an apocalyptic number.
13143144235 is a deficient number, since it is larger than the sum of its proper divisors (3862400405).
13143144235 is a wasteful number, since it uses less digits than its factorization.
13143144235 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244758.
The product of its digits is 17280, while the sum is 31.
Adding to 13143144235 its reverse (53244134131), we get a palindrome (66387278366).
The spelling of 13143144235 in words is "thirteen billion, one hundred forty-three million, one hundred forty-four thousand, two hundred thirty-five".
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