Base | Representation |
---|---|
bin | 11000011110110010… |
… | …10111011101011001 |
3 | 1020220222021020101210 |
4 | 30033121113131121 |
5 | 203404130203232 |
6 | 10012104333333 |
7 | 643462303653 |
oct | 141731273531 |
9 | 36828236353 |
10 | 13143209817 |
11 | 5634aaa081 |
12 | 2669774249 |
13 | 1315c6403a |
14 | 8c97a76d3 |
15 | 51dcde5cc |
hex | 30f657759 |
13143209817 has 8 divisors (see below), whose sum is σ = 17573925024. Its totient is φ = 8737317248.
The previous prime is 13143209773. The next prime is 13143209851. The reversal of 13143209817 is 71890234131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13143209817 - 28 = 13143209561 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13143209867) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6204423 + ... + 6206540.
It is an arithmetic number, because the mean of its divisors is an integer number (2196740628).
Almost surely, 213143209817 is an apocalyptic number.
It is an amenable number.
13143209817 is a deficient number, since it is larger than the sum of its proper divisors (4430715207).
13143209817 is a wasteful number, since it uses less digits than its factorization.
13143209817 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12411319.
The product of its (nonzero) digits is 36288, while the sum is 39.
The spelling of 13143209817 in words is "thirteen billion, one hundred forty-three million, two hundred nine thousand, eight hundred seventeen".
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