Base | Representation |
---|---|
bin | 11111111111010… |
… | …11011000100001 |
3 | 200200221122101021 |
4 | 33333223120201 |
5 | 1022144213014 |
6 | 42343405441 |
7 | 6435642313 |
oct | 1777533041 |
9 | 620848337 |
10 | 268351009 |
11 | 1285280a3 |
12 | 75a53881 |
13 | 437993a4 |
14 | 278d57b3 |
15 | 1885b624 |
hex | ffeb621 |
268351009 has 8 divisors (see below), whose sum is σ = 270596480. Its totient is φ = 266112000.
The previous prime is 268350991. The next prime is 268351019. The reversal of 268351009 is 900153862.
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 268351009 - 29 = 268350497 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (268351019) 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, 114964 + ... + 117274.
It is an arithmetic number, because the mean of its divisors is an integer number (33824560).
Almost surely, 2268351009 is an apocalyptic number.
It is an amenable number.
268351009 is a deficient number, since it is larger than the sum of its proper divisors (2245471).
268351009 is a wasteful number, since it uses less digits than its factorization.
268351009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3231.
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 268351009 is about 16381.4226793646. The cubic root of 268351009 is about 645.0119253449.
The spelling of 268351009 in words is "two hundred sixty-eight million, three hundred fifty-one thousand, nine".
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