Base | Representation |
---|---|
bin | 10110101110101101… |
… | …10000001001100111 |
3 | 1011111110002122120122 |
4 | 23113112300021213 |
5 | 144442432003143 |
6 | 5334520352155 |
7 | 611254535465 |
oct | 132726601147 |
9 | 34443078518 |
10 | 12203000423 |
11 | 51a2303919 |
12 | 244691565b |
13 | 11c622c713 |
14 | 83a981835 |
15 | 4b64bdc68 |
hex | 2d75b0267 |
12203000423 has 4 divisors (see below), whose sum is σ = 12433245768. Its totient is φ = 11972755080.
The previous prime is 12203000419. The next prime is 12203000443. The reversal of 12203000423 is 32400030221.
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 12203000423 - 22 = 12203000419 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12203000443) 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, 115122593 + ... + 115122698.
It is an arithmetic number, because the mean of its divisors is an integer number (3108311442).
Almost surely, 212203000423 is an apocalyptic number.
12203000423 is a deficient number, since it is larger than the sum of its proper divisors (230245345).
12203000423 is an equidigital number, since it uses as much as digits as its factorization.
12203000423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230245344.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 12203000423 its reverse (32400030221), we get a palindrome (44603030644).
The spelling of 12203000423 in words is "twelve billion, two hundred three million, four hundred twenty-three", and thus it is an aban number.
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