Base | Representation |
---|---|
bin | 10000110000111000… |
… | …10011110110010100 |
3 | 212020020002211111200 |
4 | 20120130103312110 |
5 | 121413000242413 |
6 | 4045021232500 |
7 | 436012546416 |
oct | 103034236624 |
9 | 25206084450 |
10 | 9000009108 |
11 | 38a92a8062 |
12 | 18b2102730 |
13 | b0578449c |
14 | 6154189b6 |
15 | 37a1ce573 |
hex | 218713d94 |
9000009108 has 36 divisors (see below), whose sum is σ = 23061673908. Its totient is φ = 2958906240.
The previous prime is 9000009107. The next prime is 9000009131. The reversal of 9000009108 is 8019000009.
It can be written as a sum of positive squares in 2 ways, for example, as 4610681604 + 4389327504 = 67902^2 + 66252^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9000009107) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1709703 + ... + 1714958.
It is an arithmetic number, because the mean of its divisors is an integer number (640602053).
Almost surely, 29000009108 is an apocalyptic number.
It is an amenable number.
9000009108 is an abundant number, since it is smaller than the sum of its proper divisors (14061664800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9000009108 is a wasteful number, since it uses less digits than its factorization.
9000009108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3424744 (or 3424739 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 27.
The square root of 9000009108 is about 94868.3778084141. The cubic root of 9000009108 is about 2080.0845247333.
The spelling of 9000009108 in words is "nine billion, nine thousand, one hundred eight".
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