Base | Representation |
---|---|
bin | 1100100010001000… |
… | …00111110000011000 |
3 | 122100221022121110021 |
4 | 12101010013300120 |
5 | 102240024301320 |
6 | 3031404200224 |
7 | 325513244221 |
oct | 62104076030 |
9 | 18327277407 |
10 | 6728743960 |
11 | 2943222a24 |
12 | 1379539074 |
13 | 833060503 |
14 | 47b90a248 |
15 | 295ad6daa |
hex | 191107c18 |
6728743960 has 32 divisors (see below), whose sum is σ = 15230345760. Its totient is φ = 2675378176.
The previous prime is 6728743919. The next prime is 6728743963. The reversal of 6728743960 is 693478276.
It is a junction number, because it is equal to n+sod(n) for n = 6728743898 and 6728743907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6728743963) 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, 496969 + ... + 510328.
It is an arithmetic number, because the mean of its divisors is an integer number (475948305).
Almost surely, 26728743960 is an apocalyptic number.
It is an amenable number.
6728743960 is an abundant number, since it is smaller than the sum of its proper divisors (8501601800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6728743960 is a wasteful number, since it uses less digits than its factorization.
6728743960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1007475 (or 1007471 counting only the distinct ones).
The product of its (nonzero) digits is 3048192, while the sum is 52.
The square root of 6728743960 is about 82028.9214850470. The cubic root of 6728743960 is about 1887.8957161051.
The spelling of 6728743960 in words is "six billion, seven hundred twenty-eight million, seven hundred forty-three thousand, nine hundred sixty".
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