Base | Representation |
---|---|
bin | 1011101101001110110… |
… | …0101011100110100001 |
3 | 201020010102010210112211 |
4 | 2323103230223212201 |
5 | 11243343232413441 |
6 | 232220543522121 |
7 | 20346642334330 |
oct | 2732354534641 |
9 | 636112123484 |
10 | 201120201121 |
11 | 78327123954 |
12 | 32b8a8b9341 |
13 | 15c72423988 |
14 | 9a3cb9bd17 |
15 | 537199aa81 |
hex | 2ed3b2b9a1 |
201120201121 has 16 divisors (see below), whose sum is σ = 238121850240. Its totient is φ = 166203313920.
The previous prime is 201120201103. The next prime is 201120201131. The reversal of 201120201121 is 121102021102.
It is not a de Polignac number, because 201120201121 - 219 = 201119676833 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (201120201101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576616 + ... + 857161.
It is an arithmetic number, because the mean of its divisors is an integer number (14882615640).
Almost surely, 2201120201121 is an apocalyptic number.
It is an amenable number.
201120201121 is a deficient number, since it is larger than the sum of its proper divisors (37001649119).
201120201121 is a wasteful number, since it uses less digits than its factorization.
201120201121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1434504.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 201120201121 its reverse (121102021102), we get a palindrome (322222222223).
The spelling of 201120201121 in words is "two hundred one billion, one hundred twenty million, two hundred one thousand, one hundred twenty-one".
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