Base | Representation |
---|---|
bin | 10110101110010110… |
… | …10111010110010100 |
3 | 1011111020110222200202 |
4 | 23113023113112110 |
5 | 144441200442002 |
6 | 5334332400032 |
7 | 611220263405 |
oct | 132713272624 |
9 | 34436428622 |
10 | 12200015252 |
11 | 51a0655037 |
12 | 2445916018 |
13 | 11c5725a49 |
14 | 83a4059ac |
15 | 4b60ce502 |
hex | 2d72d7594 |
12200015252 has 12 divisors (see below), whose sum is σ = 22605910740. Its totient is φ = 5741183616.
The previous prime is 12200015207. The next prime is 12200015257. The reversal of 12200015252 is 25251000221.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 6863128336 + 5336886916 = 82844^2 + 73054^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12200015257) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89705927 + ... + 89706062.
It is an arithmetic number, because the mean of its divisors is an integer number (1883825895).
Almost surely, 212200015252 is an apocalyptic number.
It is an amenable number.
12200015252 is a deficient number, since it is larger than the sum of its proper divisors (10405895488).
12200015252 is a wasteful number, since it uses less digits than its factorization.
12200015252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179412010 (or 179412008 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 20.
Adding to 12200015252 its reverse (25251000221), we get a palindrome (37451015473).
The spelling of 12200015252 in words is "twelve billion, two hundred million, fifteen thousand, two hundred fifty-two".
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