Base | Representation |
---|---|
bin | 11111111101110… |
… | …00100111110101 |
3 | 200200120002011200 |
4 | 33332320213311 |
5 | 1022121034333 |
6 | 42335123113 |
7 | 6434115201 |
oct | 1776704765 |
9 | 620502150 |
10 | 268143093 |
11 | 1283a5969 |
12 | 75973499 |
13 | 4372586a |
14 | 2787db01 |
15 | 18819c13 |
hex | ffb89f5 |
268143093 has 24 divisors (see below), whose sum is σ = 394080960. Its totient is φ = 175668480.
The previous prime is 268143061. The next prime is 268143097. The reversal of 268143093 is 390341862.
It is not a de Polignac number, because 268143093 - 25 = 268143061 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268143097) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127813 + ... + 129893.
It is an arithmetic number, because the mean of its divisors is an integer number (16420040).
Almost surely, 2268143093 is an apocalyptic number.
It is an amenable number.
268143093 is a deficient number, since it is larger than the sum of its proper divisors (125937867).
268143093 is a wasteful number, since it uses less digits than its factorization.
268143093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2329 (or 2326 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 268143093 is about 16375.0753586052. The cubic root of 268143093 is about 644.8452991163.
The spelling of 268143093 in words is "two hundred sixty-eight million, one hundred forty-three thousand, ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •