Base | Representation |
---|---|
bin | 1111101110011001… |
… | …00011011111110001 |
3 | 210210100112202110200 |
4 | 13313030203133301 |
5 | 114242202341034 |
6 | 3513414145413 |
7 | 416130530460 |
oct | 76714433761 |
9 | 23710482420 |
10 | 8442230769 |
11 | 3642467a25 |
12 | 1777352269 |
13 | a4704c72b |
14 | 5a13029d7 |
15 | 346251a99 |
hex | 1f73237f1 |
8442230769 has 24 divisors (see below), whose sum is σ = 14199337152. Its totient is φ = 4733108640.
The previous prime is 8442230749. The next prime is 8442230827. The reversal of 8442230769 is 9670322448.
8442230769 is nontrivially palindromic in base 16.
It is not a de Polignac number, because 8442230769 - 25 = 8442230737 is a prime.
It is a super-2 number, since 2×84422307692 (a number of 21 digits) contains 22 as substring.
8442230769 is a modest number, since divided by 230769 gives 8442 as remainder.
It is not an unprimeable number, because it can be changed into a prime (8442230749) 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, 1260847 + ... + 1267524.
It is an arithmetic number, because the mean of its divisors is an integer number (591639048).
Almost surely, 28442230769 is an apocalyptic number.
It is an amenable number.
8442230769 is a deficient number, since it is larger than the sum of its proper divisors (5757106383).
8442230769 is a wasteful number, since it uses less digits than its factorization.
8442230769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2528437 (or 2528434 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 45.
The square root of 8442230769 is about 91881.6127905905. The cubic root of 8442230769 is about 2036.1936238090.
The spelling of 8442230769 in words is "eight billion, four hundred forty-two million, two hundred thirty thousand, seven hundred sixty-nine".
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