Base | Representation |
---|---|
bin | 1100110001001010… |
… | …11110100001001001 |
3 | 122200201202110001011 |
4 | 12120211132201021 |
5 | 103014330202312 |
6 | 3052112523521 |
7 | 331604634106 |
oct | 63045364111 |
9 | 18621673034 |
10 | 6854928457 |
11 | 29a8479233 |
12 | 13b38505a1 |
13 | 8532413b0 |
14 | 490595aad |
15 | 2a1c0eda7 |
hex | 19895e849 |
6854928457 has 8 divisors (see below), whose sum is σ = 7562285640. Its totient is φ = 6173293440.
The previous prime is 6854928401. The next prime is 6854928467. The reversal of 6854928457 is 7548294586.
It can be written as a sum of positive squares in 4 ways, for example, as 172029456 + 6682899001 = 13116^2 + 81749^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 6854928457 - 27 = 6854928329 is a prime.
It is not an unprimeable number, because it can be changed into a prime (6854928467) 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, 6429982 + ... + 6431047.
It is an arithmetic number, because the mean of its divisors is an integer number (945285705).
Almost surely, 26854928457 is an apocalyptic number.
It is an amenable number.
6854928457 is a deficient number, since it is larger than the sum of its proper divisors (707357183).
6854928457 is a wasteful number, since it uses less digits than its factorization.
6854928457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12861083.
The product of its digits is 19353600, while the sum is 58.
The square root of 6854928457 is about 82794.4953303056. The cubic root of 6854928457 is about 1899.6239751711.
The spelling of 6854928457 in words is "six billion, eight hundred fifty-four million, nine hundred twenty-eight thousand, four hundred fifty-seven".
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