Base | Representation |
---|---|
bin | 10110100010111010… |
… | …01101111100001001 |
3 | 1011020112212112102211 |
4 | 23101131031330021 |
5 | 144242113011014 |
6 | 5321023225121 |
7 | 605643401026 |
oct | 132135157411 |
9 | 34215775384 |
10 | 12104032009 |
11 | 5151457443 |
12 | 24197481a1 |
13 | 11ab88a624 |
14 | 82b77c54d |
15 | 4ac96ecc4 |
hex | 2d174df09 |
12104032009 has 8 divisors (see below), whose sum is σ = 12125507240. Its totient is φ = 12082576896.
The previous prime is 12104031991. The next prime is 12104032043. The reversal of 12104032009 is 90023040121.
It can be written as a sum of positive squares in 4 ways, for example, as 43599609 + 12060432400 = 6603^2 + 109820^2 .
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 12104032009 - 211 = 12104029961 is a prime.
It is a super-3 number, since 3×121040320093 (a number of 31 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12104092009) 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, 1638877 + ... + 1646245.
It is an arithmetic number, because the mean of its divisors is an integer number (1515688405).
Almost surely, 212104032009 is an apocalyptic number.
It is an amenable number.
12104032009 is a deficient number, since it is larger than the sum of its proper divisors (21475231).
12104032009 is an equidigital number, since it uses as much as digits as its factorization.
12104032009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10059.
The product of its (nonzero) digits is 432, while the sum is 22.
The spelling of 12104032009 in words is "twelve billion, one hundred four million, thirty-two thousand, nine".
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