Base | Representation |
---|---|
bin | 10110011010000101… |
… | …11110000010000101 |
3 | 1011001101122110120012 |
4 | 23031002332002011 |
5 | 144114142322440 |
6 | 5305421320005 |
7 | 604054446314 |
oct | 131502760205 |
9 | 34041573505 |
10 | 12030042245 |
11 | 5113710881 |
12 | 23b8a06005 |
13 | 1199452ac0 |
14 | 8219dc27b |
15 | 4a6206e65 |
hex | 2cd0be085 |
12030042245 has 32 divisors (see below), whose sum is σ = 16250153472. Its totient is φ = 8482966272.
The previous prime is 12030042217. The next prime is 12030042289. The reversal of 12030042245 is 54224003021.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 12030042245 - 222 = 12025847941 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12030042245.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 909872 + ... + 922998.
It is an arithmetic number, because the mean of its divisors is an integer number (507817296).
Almost surely, 212030042245 is an apocalyptic number.
It is an amenable number.
12030042245 is a deficient number, since it is larger than the sum of its proper divisors (4220111227).
12030042245 is a wasteful number, since it uses less digits than its factorization.
12030042245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13781.
The product of its (nonzero) digits is 1920, while the sum is 23.
Adding to 12030042245 its reverse (54224003021), we get a palindrome (66254045266).
The spelling of 12030042245 in words is "twelve billion, thirty million, forty-two thousand, two hundred forty-five".
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