Base | Representation |
---|---|
bin | 1111010101001001… |
… | …00001001110010101 |
3 | 210020120222002210000 |
4 | 13222210201032111 |
5 | 113323441042414 |
6 | 3440410121513 |
7 | 410646215556 |
oct | 75244411625 |
9 | 23216862700 |
10 | 8230409109 |
11 | 35439401aa |
12 | 1718420299 |
13 | a121b6680 |
14 | 58112432d |
15 | 33285eb09 |
hex | 1ea921395 |
8230409109 has 80 divisors (see below), whose sum is σ = 13755767872. Its totient is φ = 4871446272.
The previous prime is 8230409107. The next prime is 8230409141. The reversal of 8230409109 is 9019040328.
8230409109 is a `hidden beast` number, since 8 + 230 + 409 + 10 + 9 = 666.
It is not a de Polignac number, because 8230409109 - 21 = 8230409107 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8230409107) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3032337 + ... + 3035049.
Almost surely, 28230409109 is an apocalyptic number.
It is an amenable number.
8230409109 is a deficient number, since it is larger than the sum of its proper divisors (5525358763).
8230409109 is a wasteful number, since it uses less digits than its factorization.
8230409109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2848 (or 2839 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 8230409109 is about 90721.6022179944. The cubic root of 8230409109 is about 2019.0193185163.
The spelling of 8230409109 in words is "eight billion, two hundred thirty million, four hundred nine thousand, one hundred nine".
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