Base | Representation |
---|---|
bin | 10001110000011100001… |
… | …001101011101011001101 |
3 | 11022122122211111200102210 |
4 | 101300130021223223031 |
5 | 124443024202343201 |
6 | 2332323310341033 |
7 | 154105521316425 |
oct | 21603411535315 |
9 | 4278584450383 |
10 | 1220243012301 |
11 | 430558406925 |
12 | 1785a8aba779 |
13 | 8b0b74295b1 |
14 | 430babcb485 |
15 | 21b1be5a1d6 |
hex | 11c1c26bacd |
1220243012301 has 32 divisors (see below), whose sum is σ = 1706760138240. Its totient is φ = 774557462016.
The previous prime is 1220243012269. The next prime is 1220243012309. The reversal of 1220243012301 is 1032103420221.
It is not a de Polignac number, because 1220243012301 - 25 = 1220243012269 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220243012309) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51787815 + ... + 51811371.
It is an arithmetic number, because the mean of its divisors is an integer number (53336254320).
Almost surely, 21220243012301 is an apocalyptic number.
It is an amenable number.
1220243012301 is a deficient number, since it is larger than the sum of its proper divisors (486517125939).
1220243012301 is a wasteful number, since it uses less digits than its factorization.
1220243012301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33573.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 1220243012301 its reverse (1032103420221), we get a palindrome (2252346432522).
The spelling of 1220243012301 in words is "one trillion, two hundred twenty billion, two hundred forty-three million, twelve thousand, three hundred one".
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