Base | Representation |
---|---|
bin | 10110110011100111… |
… | …11011001010001101 |
3 | 1011121022121220200121 |
4 | 23121303323022031 |
5 | 200034003432000 |
6 | 5342551424541 |
7 | 612265000201 |
oct | 133163731215 |
9 | 34538556617 |
10 | 12244202125 |
11 | 5213595311 |
12 | 2458685151 |
13 | 120192721c |
14 | 842228b01 |
15 | 4b9e0bb1a |
hex | 2d9cfb28d |
12244202125 has 32 divisors (see below), whose sum is σ = 15578690400. Its totient is φ = 9605376000.
The previous prime is 12244202083. The next prime is 12244202137. The reversal of 12244202125 is 52120244221.
It is a happy number.
It can be written as a sum of positive squares in 16 ways, for example, as 10836601801 + 1407600324 = 104099^2 + 37518^2 .
It is a de Polignac number, because none of the positive numbers 2k-12244202125 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 12244202125.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2689351 + ... + 2693899.
It is an arithmetic number, because the mean of its divisors is an integer number (486834075).
Almost surely, 212244202125 is an apocalyptic number.
It is an amenable number.
12244202125 is a deficient number, since it is larger than the sum of its proper divisors (3334488275).
12244202125 is an equidigital number, since it uses as much as digits as its factorization.
12244202125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4978 (or 4968 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 25.
Adding to 12244202125 its reverse (52120244221), we get a palindrome (64364446346).
It can be divided in two parts, 12244 and 202125, that added together give a square (214369 = 4632).
The spelling of 12244202125 in words is "twelve billion, two hundred forty-four million, two hundred two thousand, one hundred twenty-five".
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