Base | Representation |
---|---|
bin | 11000010011100101… |
… | …01010100010110001 |
3 | 1020200102022221101121 |
4 | 30021302222202301 |
5 | 203211042201124 |
6 | 5554505102241 |
7 | 641241120400 |
oct | 141162524261 |
9 | 36612287347 |
10 | 13049178289 |
11 | 5596a14874 |
12 | 2642187981 |
13 | 12cc630094 |
14 | 8bb0cb637 |
15 | 5159182e4 |
hex | 309caa8b1 |
13049178289 has 9 divisors (see below), whose sum is σ = 15180586617. Its totient is φ = 11184324564.
The previous prime is 13049178269. The next prime is 13049178293. The reversal of 13049178289 is 98287194031.
The square root of 13049178289 is 114233.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 13049178289 - 29 = 13049177777 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13049178239) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 791472 + ... + 807790.
Almost surely, 213049178289 is an apocalyptic number.
13049178289 is the 114233-rd square number.
13049178289 is the 57117-th centered octagonal number.
It is an amenable number.
13049178289 is a deficient number, since it is larger than the sum of its proper divisors (2131408328).
13049178289 is an frugal number, since it uses more digits than its factorization.
13049178289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32652 (or 16326 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 52.
The spelling of 13049178289 in words is "thirteen billion, forty-nine million, one hundred seventy-eight thousand, two hundred eighty-nine".
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