Base | Representation |
---|---|
bin | 101101111100… |
… | …000111010111 |
3 | 211122211111100 |
4 | 231330013113 |
5 | 11040331321 |
6 | 1110041143 |
7 | 204234642 |
oct | 55740727 |
9 | 24584440 |
10 | 12042711 |
11 | 688595a |
12 | 40491b3 |
13 | 2658585 |
14 | 1856a59 |
15 | 10cd326 |
hex | b7c1d7 |
12042711 has 12 divisors (see below), whose sum is σ = 17523792. Its totient is φ = 7969056.
The previous prime is 12042707. The next prime is 12042721. The reversal of 12042711 is 11724021.
It is not a de Polignac number, because 12042711 - 22 = 12042707 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12042721) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3651 + ... + 6116.
It is an arithmetic number, because the mean of its divisors is an integer number (1460316).
Almost surely, 212042711 is an apocalyptic number.
12042711 is a deficient number, since it is larger than the sum of its proper divisors (5481081).
12042711 is a wasteful number, since it uses less digits than its factorization.
12042711 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9910 (or 9907 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 18.
The square root of 12042711 is about 3470.2609411974. The cubic root of 12042711 is about 229.2141485012.
Adding to 12042711 its reverse (11724021), we get a palindrome (23766732).
The spelling of 12042711 in words is "twelve million, forty-two thousand, seven hundred eleven".
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