Base | Representation |
---|---|
bin | 101101101111111000000101… |
… | …000000101101010101111101 |
3 | 222101101201211211021222001101 |
4 | 231233320011000231111331 |
5 | 202332443421214121341 |
6 | 1551530551232213101 |
7 | 60244242102016450 |
oct | 5557700500552575 |
9 | 871351754258041 |
10 | 201202122020221 |
11 | 59122382608663 |
12 | 1a69639b69a191 |
13 | 88363813a454a |
14 | 379833dccb497 |
15 | 183dae01e1831 |
hex | b6fe0502d57d |
201202122020221 has 8 divisors (see below), whose sum is σ = 230551998096320. Its totient is φ = 172003924891008.
The previous prime is 201202122020191. The next prime is 201202122020279. The reversal of 201202122020221 is 122020221202102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 201202122020221 - 217 = 201202121889149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201202122020521) 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, 37919733876 + ... + 37919739181.
It is an arithmetic number, because the mean of its divisors is an integer number (28818999762040).
Almost surely, 2201202122020221 is an apocalyptic number.
It is an amenable number.
201202122020221 is a deficient number, since it is larger than the sum of its proper divisors (29349876076099).
201202122020221 is an equidigital number, since it uses as much as digits as its factorization.
201202122020221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75839473443.
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 201202122020221 its reverse (122020221202102), we get a palindrome (323222343222323).
The spelling of 201202122020221 in words is "two hundred one trillion, two hundred two billion, one hundred twenty-two million, twenty thousand, two hundred twenty-one".
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