Base | Representation |
---|---|
bin | 101110111110… |
… | …100111100010 |
3 | 212011200011001 |
4 | 232332213202 |
5 | 11123040411 |
6 | 1115542214 |
7 | 206451046 |
oct | 56764742 |
9 | 25150131 |
10 | 12315106 |
11 | 6a51581 |
12 | 415a96a |
13 | 272255b |
14 | 18c8026 |
15 | 1133dc1 |
hex | bbe9e2 |
12315106 has 16 divisors (see below), whose sum is σ = 19644120. Its totient is φ = 5770240.
The previous prime is 12315103. The next prime is 12315109. The reversal of 12315106 is 60151321.
It is an interprime number because it is at equal distance from previous prime (12315103) and next prime (12315109).
It can be written as a sum of positive squares in 4 ways, for example, as 12313081 + 2025 = 3509^2 + 45^2 .
It is not an unprimeable number, because it can be changed into a prime (12315101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8910 + ... + 10198.
Almost surely, 212315106 is an apocalyptic number.
12315106 is a deficient number, since it is larger than the sum of its proper divisors (7329014).
12315106 is a wasteful number, since it uses less digits than its factorization.
12315106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1589.
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 12315106 is about 3509.2885318822. The cubic root of 12315106 is about 230.9294837952.
Adding to 12315106 its reverse (60151321), we get a palindrome (72466427).
It can be divided in two parts, 12315 and 106, that added together give a palindrome (12421).
The spelling of 12315106 in words is "twelve million, three hundred fifteen thousand, one hundred six".
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