Base | Representation |
---|---|
bin | 10110101110100110… |
… | …11001101101001101 |
3 | 1011111101110000200201 |
4 | 23113103121231031 |
5 | 144442220401221 |
6 | 5334445453501 |
7 | 611244216613 |
oct | 132723315515 |
9 | 34441400621 |
10 | 12202122061 |
11 | 51a18639a8 |
12 | 2446571291 |
13 | 11c5cb298c |
14 | 83a7d36b3 |
15 | 4b6398891 |
hex | 2d74d9b4d |
12202122061 has 8 divisors (see below), whose sum is σ = 12374522424. Its totient is φ = 12029863680.
The previous prime is 12202122043. The next prime is 12202122067. The reversal of 12202122061 is 16022120221.
It can be written as a sum of positive squares in 4 ways, for example, as 1052029225 + 11150092836 = 32435^2 + 105594^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12202122061 - 25 = 12202122029 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 (12202122067) 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, 143955 + ... + 212431.
It is an arithmetic number, because the mean of its divisors is an integer number (1546815303).
Almost surely, 212202122061 is an apocalyptic number.
It is an amenable number.
12202122061 is a deficient number, since it is larger than the sum of its proper divisors (172400363).
12202122061 is an equidigital number, since it uses as much as digits as its factorization.
12202122061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70991.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 12202122061 its reverse (16022120221), we get a palindrome (28224242282).
The spelling of 12202122061 in words is "twelve billion, two hundred two million, one hundred twenty-two thousand, sixty-one".
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