Base | Representation |
---|---|
bin | 10110101110100010… |
… | …00111001110001101 |
3 | 1011111100022112122111 |
4 | 23113101013032031 |
5 | 144442042201221 |
6 | 5334424544021 |
7 | 611236140421 |
oct | 132721071615 |
9 | 34440275574 |
10 | 12201522061 |
11 | 51a1494133 |
12 | 2446322011 |
13 | 11c5b32851 |
14 | 83a6b8b81 |
15 | 4b62cabe1 |
hex | 2d744738d |
12201522061 has 8 divisors (see below), whose sum is σ = 12512618624. Its totient is φ = 11891668320.
The previous prime is 12201522007. The next prime is 12201522071. The reversal of 12201522061 is 16022510221.
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 12201522061 - 217 = 12201390989 is a prime.
It is the 110461-st Hogben number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12201522071) by changing a digit.
It is a nontrivial repunit in base 110460.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290805 + ... + 330106.
It is an arithmetic number, because the mean of its divisors is an integer number (1564077328).
Almost surely, 212201522061 is an apocalyptic number.
It is an amenable number.
12201522061 is a deficient number, since it is larger than the sum of its proper divisors (311096563).
12201522061 is an equidigital number, since it uses as much as digits as its factorization.
12201522061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 621411.
The product of its (nonzero) digits is 480, while the sum is 22.
The spelling of 12201522061 in words is "twelve billion, two hundred one million, five hundred twenty-two thousand, sixty-one".
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