Base | Representation |
---|---|
bin | 1011101101100010000… |
… | …1010111001111011101 |
3 | 201020100001101220200112 |
4 | 2323120201113033131 |
5 | 11244024441321341 |
6 | 232232554135405 |
7 | 20351644206143 |
oct | 2733041271735 |
9 | 636301356615 |
10 | 201201120221 |
11 | 78368872642 |
12 | 32bb1a21565 |
13 | 15c861164ba |
14 | 9a49823593 |
15 | 5378b31aeb |
hex | 2ed88573dd |
201201120221 has 8 divisors (see below), whose sum is σ = 213041986560. Its totient is φ = 189360865728.
The previous prime is 201201120173. The next prime is 201201120251. The reversal of 201201120221 is 122021102102.
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 201201120221 - 218 = 201200858077 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 201201120196 and 201201120205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201201120251) 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, 642230 + ... + 902696.
It is an arithmetic number, because the mean of its divisors is an integer number (26630248320).
Almost surely, 2201201120221 is an apocalyptic number.
It is an amenable number.
201201120221 is a deficient number, since it is larger than the sum of its proper divisors (11840866339).
201201120221 is a wasteful number, since it uses less digits than its factorization.
201201120221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 305923.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 201201120221 its reverse (122021102102), we get a palindrome (323222222323).
The spelling of 201201120221 in words is "two hundred one billion, two hundred one million, one hundred twenty thousand, two hundred twenty-one".
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