Base | Representation |
---|---|
bin | 101110001111… |
… | …101000100110 |
3 | 211210220011111 |
4 | 232033220212 |
5 | 11100411122 |
6 | 1111455234 |
7 | 205020016 |
oct | 56175046 |
9 | 24726144 |
10 | 12122662 |
11 | 692aa32 |
12 | 408751a |
13 | 2685a96 |
14 | 1877c46 |
15 | 10e6d77 |
hex | b8fa26 |
12122662 has 4 divisors (see below), whose sum is σ = 18183996. Its totient is φ = 6061330.
The previous prime is 12122659. The next prime is 12122723. The reversal of 12122662 is 26622121.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26622121 = 127 ⋅209623.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030664 + ... + 3030667.
It is an arithmetic number, because the mean of its divisors is an integer number (4545999).
Almost surely, 212122662 is an apocalyptic number.
12122662 is a deficient number, since it is larger than the sum of its proper divisors (6061334).
12122662 is an equidigital number, since it uses as much as digits as its factorization.
12122662 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6061333.
The product of its digits is 576, while the sum is 22.
The square root of 12122662 is about 3481.7613358759. The cubic root of 12122662 is about 229.7202774609.
Adding to 12122662 its reverse (26622121), we get a palindrome (38744783).
The spelling of 12122662 in words is "twelve million, one hundred twenty-two thousand, six hundred sixty-two".
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