Base | Representation |
---|---|
bin | 10110100101001011… |
… | …01100100111000011 |
3 | 1011021212121211112022 |
4 | 23102211230213003 |
5 | 144311444011003 |
6 | 5322542352055 |
7 | 606264033425 |
oct | 132245544703 |
9 | 34255554468 |
10 | 12123032003 |
11 | 5161154415 |
12 | 2423b8b62b |
13 | 11b27b0824 |
14 | 8300c6815 |
15 | 4ae474738 |
hex | 2d296c9c3 |
12123032003 has 4 divisors (see below), whose sum is σ = 12124806840. Its totient is φ = 12121257168.
The previous prime is 12123031939. The next prime is 12123032071. The reversal of 12123032003 is 30023032121.
12123032003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30023032121 = 17 ⋅1766060713.
It is a cyclic number.
It is not a de Polignac number, because 12123032003 - 26 = 12123031939 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12123032083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877133 + ... + 890846.
It is an arithmetic number, because the mean of its divisors is an integer number (3031201710).
Almost surely, 212123032003 is an apocalyptic number.
12123032003 is a deficient number, since it is larger than the sum of its proper divisors (1774837).
12123032003 is an equidigital number, since it uses as much as digits as its factorization.
12123032003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1774836.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 12123032003 its reverse (30023032121), we get a palindrome (42146064124).
The spelling of 12123032003 in words is "twelve billion, one hundred twenty-three million, thirty-two thousand, three".
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