Base | Representation |
---|---|
bin | 1100100011011110… |
… | …11001001110001000 |
3 | 122101201122221010100 |
4 | 12101233121032020 |
5 | 102300430301223 |
6 | 3032451245400 |
7 | 326011541265 |
oct | 62157311610 |
9 | 18351587110 |
10 | 6740087688 |
11 | 2949670704 |
12 | 13812a9860 |
13 | 835502889 |
14 | 47d22026c |
15 | 296ac8043 |
hex | 191bd9388 |
6740087688 has 48 divisors (see below), whose sum is σ = 18299115900. Its totient is φ = 2241192960.
The previous prime is 6740087677. The next prime is 6740087741. The reversal of 6740087688 is 8867800476.
It can be written as a sum of positive squares in 2 ways, for example, as 6740081604 + 6084 = 82098^2 + 78^2 .
It is a super-3 number, since 3×67400876883 (a number of 30 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84993 + ... + 143888.
Almost surely, 26740087688 is an apocalyptic number.
It is an amenable number.
6740087688 is an abundant number, since it is smaller than the sum of its proper divisors (11559028212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6740087688 is a wasteful number, since it uses less digits than its factorization.
6740087688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229302 (or 229295 counting only the distinct ones).
The product of its (nonzero) digits is 3612672, while the sum is 54.
The square root of 6740087688 is about 82098.0370532694. The cubic root of 6740087688 is about 1888.9560304920.
The spelling of 6740087688 in words is "six billion, seven hundred forty million, eighty-seven thousand, six hundred eighty-eight".
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