Base | Representation |
---|---|
bin | 10110110010000011… |
… | …00100110001010111 |
3 | 1011120101210100012101 |
4 | 23121001210301113 |
5 | 200022114100343 |
6 | 5341400502531 |
7 | 612044545345 |
oct | 133101446127 |
9 | 34511710171 |
10 | 12231003223 |
11 | 520709a82a |
12 | 245417aa47 |
13 | 11cbc8561a |
14 | 840590995 |
15 | 4b8ba0e4d |
hex | 2d9064c57 |
12231003223 has 4 divisors (see below), whose sum is σ = 12234315280. Its totient is φ = 12227691168.
The previous prime is 12231003193. The next prime is 12231003259. The reversal of 12231003223 is 32230013221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12231003223 - 217 = 12230872151 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12231003223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12231003263) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650483 + ... + 1657876.
It is an arithmetic number, because the mean of its divisors is an integer number (3058578820).
Almost surely, 212231003223 is an apocalyptic number.
12231003223 is a deficient number, since it is larger than the sum of its proper divisors (3312057).
12231003223 is an equidigital number, since it uses as much as digits as its factorization.
12231003223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3312056.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 12231003223 its reverse (32230013221), we get a palindrome (44461016444).
The spelling of 12231003223 in words is "twelve billion, two hundred thirty-one million, three thousand, two hundred twenty-three".
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