Base | Representation |
---|---|
bin | 1100011110100001… |
… | …01000101001010001 |
3 | 122021211100112100100 |
4 | 12033100220221101 |
5 | 102204302014334 |
6 | 3024403243013 |
7 | 324665024652 |
oct | 61720505121 |
9 | 18254315310 |
10 | 6698469969 |
11 | 29281256a4 |
12 | 136b379469 |
13 | 8299c08c9 |
14 | 4778a9529 |
15 | 293106c99 |
hex | 18f428a51 |
6698469969 has 24 divisors (see below), whose sum is σ = 10227484800. Its totient is φ = 4212885600.
The previous prime is 6698469959. The next prime is 6698469983. The reversal of 6698469969 is 9699648966.
It is not a de Polignac number, because 6698469969 - 211 = 6698467921 is a prime.
It is a super-2 number, since 2×66984699692 = 89738999851189721922, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 6698469897 and 6698469906.
It is not an unprimeable number, because it can be changed into a prime (6698469959) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41082 + ... + 122819.
It is an arithmetic number, because the mean of its divisors is an integer number (426145200).
Almost surely, 26698469969 is an apocalyptic number.
It is an amenable number.
6698469969 is a deficient number, since it is larger than the sum of its proper divisors (3529014831).
6698469969 is a wasteful number, since it uses less digits than its factorization.
6698469969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164165 (or 164162 counting only the distinct ones).
The product of its digits is 272097792, while the sum is 72.
The square root of 6698469969 is about 81844.1810332292. The cubic root of 6698469969 is about 1885.0601166136.
The spelling of 6698469969 in words is "six billion, six hundred ninety-eight million, four hundred sixty-nine thousand, nine hundred sixty-nine".
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