Base | Representation |
---|---|
bin | 1100110010010000… |
… | …10101000101001010 |
3 | 122201100221121210210 |
4 | 12121020111011022 |
5 | 103024200033332 |
6 | 3053040421550 |
7 | 332045405565 |
oct | 63110250512 |
9 | 18640847723 |
10 | 6864064842 |
11 | 2a02649568 |
12 | 13b69178b6 |
13 | 8550bcb3b |
14 | 4918934dc |
15 | 2a2916ecc |
hex | 19921514a |
6864064842 has 16 divisors (see below), whose sum is σ = 14099160672. Its totient is φ = 2226183120.
The previous prime is 6864064841. The next prime is 6864064847. The reversal of 6864064842 is 2484604686.
It is a junction number, because it is equal to n+sod(n) for n = 6864064791 and 6864064800.
It is not an unprimeable number, because it can be changed into a prime (6864064841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15459384 + ... + 15459827.
It is an arithmetic number, because the mean of its divisors is an integer number (881197542).
Almost surely, 26864064842 is an apocalyptic number.
6864064842 is an abundant number, since it is smaller than the sum of its proper divisors (7235095830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6864064842 is a wasteful number, since it uses less digits than its factorization.
6864064842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30919253.
The product of its (nonzero) digits is 1769472, while the sum is 48.
The square root of 6864064842 is about 82849.6520330653. The cubic root of 6864064842 is about 1900.4675527097.
The spelling of 6864064842 in words is "six billion, eight hundred sixty-four million, sixty-four thousand, eight hundred forty-two".
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