Base | Representation |
---|---|
bin | 1100110010110011… |
… | …11011011011100100 |
3 | 122201200122000101021 |
4 | 12121121323123210 |
5 | 103031340201442 |
6 | 3053323340524 |
7 | 332132542243 |
oct | 63131733344 |
9 | 18650560337 |
10 | 6868678372 |
11 | 2a0520a7a6 |
12 | 13b8381744 |
13 | 856046a3a |
14 | 49233495a |
15 | 2a3028e67 |
hex | 19967b6e4 |
6868678372 has 24 divisors (see below), whose sum is σ = 12994802240. Its totient is φ = 3165648480.
The previous prime is 6868678367. The next prime is 6868678373. The reversal of 6868678372 is 2738768686.
It is a self number, because there is not a number n which added to its sum of digits gives 6868678372.
It is not an unprimeable number, because it can be changed into a prime (6868678373) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218504 + ... + 1224127.
Almost surely, 26868678372 is an apocalyptic number.
It is an amenable number.
6868678372 is a deficient number, since it is larger than the sum of its proper divisors (6126123868).
6868678372 is a wasteful number, since it uses less digits than its factorization.
6868678372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2442691 (or 2442689 counting only the distinct ones).
The product of its digits is 32514048, while the sum is 61.
The square root of 6868678372 is about 82877.4901405683. The cubic root of 6868678372 is about 1900.8932431535.
The spelling of 6868678372 in words is "six billion, eight hundred sixty-eight million, six hundred seventy-eight thousand, three hundred seventy-two".
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