Base | Representation |
---|---|
bin | 101101101101001110011110… |
… | …111101001101100100110001 |
3 | 222100202022210220110212212212 |
4 | 231231032132331031210301 |
5 | 202322003000411414301 |
6 | 1551311153423501505 |
7 | 60225134343421526 |
oct | 5555163675154461 |
9 | 870668726425785 |
10 | 201020021201201 |
11 | 59062126429014 |
12 | 1a66703a457895 |
13 | 8822150446427 |
14 | 378d5c70b114d |
15 | 1838ed335d4bb |
hex | b6d39ef4d931 |
201020021201201 has 16 divisors (see below), whose sum is σ = 205768047772800. Its totient is φ = 196342021392000.
The previous prime is 201020021201179. The next prime is 201020021201309. The reversal of 201020021201201 is 102102120020102.
It is not a de Polignac number, because 201020021201201 - 246 = 130651277023537 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (201020021204201) 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, 39376430 + ... + 44187591.
It is an arithmetic number, because the mean of its divisors is an integer number (12860502985800).
Almost surely, 2201020021201201 is an apocalyptic number.
It is an amenable number.
201020021201201 is a deficient number, since it is larger than the sum of its proper divisors (4748026571599).
201020021201201 is a wasteful number, since it uses less digits than its factorization.
201020021201201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83564440.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 201020021201201 its reverse (102102120020102), we get a palindrome (303122141221303).
The spelling of 201020021201201 in words is "two hundred one trillion, twenty billion, twenty-one million, two hundred one thousand, two hundred one".
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