Base | Representation |
---|---|
bin | 101110001010… |
… | …101100111101 |
3 | 211202212110022 |
4 | 232022230331 |
5 | 11044234321 |
6 | 1111221525 |
7 | 204604100 |
oct | 56125475 |
9 | 24685408 |
10 | 12102461 |
11 | 6916838 |
12 | 40778a5 |
13 | 2679827 |
14 | 1870737 |
15 | 10e0dab |
hex | b8ab3d |
12102461 has 12 divisors (see below), whose sum is σ = 14312700. Its totient is φ = 10200960.
The previous prime is 12102457. The next prime is 12102469. The reversal of 12102461 is 16420121.
It can be written as a sum of positive squares in 2 ways, for example, as 1416100 + 10686361 = 1190^2 + 3269^2 .
It is not a de Polignac number, because 12102461 - 22 = 12102457 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 (12102469) 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, 965 + ... + 5013.
It is an arithmetic number, because the mean of its divisors is an integer number (1192725).
Almost surely, 212102461 is an apocalyptic number.
It is an amenable number.
12102461 is a deficient number, since it is larger than the sum of its proper divisors (2210239).
12102461 is an equidigital number, since it uses as much as digits as its factorization.
12102461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4124 (or 4117 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 12102461 is about 3478.8591520785. The cubic root of 12102461 is about 229.5926058495.
Adding to 12102461 its reverse (16420121), we get a palindrome (28522582).
The spelling of 12102461 in words is "twelve million, one hundred two thousand, four hundred sixty-one".
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