Base | Representation |
---|---|
bin | 1010101010111001… |
… | …00001001100010010 |
3 | 112210020012021210200 |
4 | 11111130201030102 |
5 | 43212444203032 |
6 | 2344233440030 |
7 | 261646334355 |
oct | 52534411422 |
9 | 15706167720 |
10 | 5728506642 |
11 | 247a657911 |
12 | 113a570016 |
13 | 703a6c301 |
14 | 3c4b3a29c |
15 | 237daa47c |
hex | 155721312 |
5728506642 has 24 divisors (see below), whose sum is σ = 12501063120. Its totient is φ = 1895763960.
The previous prime is 5728506599. The next prime is 5728506649. The reversal of 5728506642 is 2466058275.
It is not an unprimeable number, because it can be changed into a prime (5728506649) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1142284 + ... + 1147287.
It is an arithmetic number, because the mean of its divisors is an integer number (520877630).
Almost surely, 25728506642 is an apocalyptic number.
5728506642 is an abundant number, since it is smaller than the sum of its proper divisors (6772556478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5728506642 is a wasteful number, since it uses less digits than its factorization.
5728506642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2289718 (or 2289715 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 45.
The square root of 5728506642 is about 75686.8987474054. The cubic root of 5728506642 is about 1789.2889243088.
The spelling of 5728506642 in words is "five billion, seven hundred twenty-eight million, five hundred six thousand, six hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •