Base | Representation |
---|---|
bin | 10110011010001000… |
… | …11100101101100111 |
3 | 1011001102101011112112 |
4 | 23031010130231213 |
5 | 144114242230210 |
6 | 5305433511235 |
7 | 604060653050 |
oct | 131504345547 |
9 | 34042334475 |
10 | 12030430055 |
11 | 5113956186 |
12 | 23b8b7251b |
13 | 119955a487 |
14 | 821a9d727 |
15 | 4a6281d05 |
hex | 2cd11cb67 |
12030430055 has 16 divisors (see below), whose sum is σ = 16507307520. Its totient is φ = 8245221792.
The previous prime is 12030430039. The next prime is 12030430057. The reversal of 12030430055 is 55003403021.
It is a cyclic number.
It is not a de Polignac number, because 12030430055 - 24 = 12030430039 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12030430055.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12030430057) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17579 + ... + 156108.
It is an arithmetic number, because the mean of its divisors is an integer number (1031706720).
Almost surely, 212030430055 is an apocalyptic number.
12030430055 is a deficient number, since it is larger than the sum of its proper divisors (4476877465).
12030430055 is a wasteful number, since it uses less digits than its factorization.
12030430055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175678.
The product of its (nonzero) digits is 1800, while the sum is 23.
Adding to 12030430055 its reverse (55003403021), we get a palindrome (67033833076).
The spelling of 12030430055 in words is "twelve billion, thirty million, four hundred thirty thousand, fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •