Base | Representation |
---|---|
bin | 1100011100010110… |
… | …11110110101111111 |
3 | 122020120020112021220 |
4 | 12032023132311333 |
5 | 102140131420022 |
6 | 3022514524423 |
7 | 324354653262 |
oct | 61613366577 |
9 | 18216215256 |
10 | 6680341887 |
11 | 291897380a |
12 | 1365296713 |
13 | 82601452b |
14 | 47530acd9 |
15 | 29172585c |
hex | 18e2ded7f |
6680341887 has 4 divisors (see below), whose sum is σ = 8907122520. Its totient is φ = 4453561256.
The previous prime is 6680341867. The next prime is 6680341903. The reversal of 6680341887 is 7881430866.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 6680341887 - 212 = 6680337791 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6680341817) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113390312 + ... + 1113390317.
It is an arithmetic number, because the mean of its divisors is an integer number (2226780630).
Almost surely, 26680341887 is an apocalyptic number.
6680341887 is a deficient number, since it is larger than the sum of its proper divisors (2226780633).
6680341887 is a wasteful number, since it uses less digits than its factorization.
6680341887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2226780632.
The product of its (nonzero) digits is 1548288, while the sum is 51.
The square root of 6680341887 is about 81733.3584713121. The cubic root of 6680341887 is about 1883.3580663436.
The spelling of 6680341887 in words is "six billion, six hundred eighty million, three hundred forty-one thousand, eight hundred eighty-seven".
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