Base | Representation |
---|---|
bin | 101101101111111111100111… |
… | …110100000110110100010101 |
3 | 222101102111202100001021002101 |
4 | 231233333213310012310111 |
5 | 202333112013330041041 |
6 | 1551534411105242101 |
7 | 60244646606453443 |
oct | 5557774764066425 |
9 | 871374670037071 |
10 | 201210222112021 |
11 | 5912585992a501 |
12 | 1a697a80333331 |
13 | 8837072590b85 |
14 | 37988ab9abb93 |
15 | 183de163adb31 |
hex | b6ffe7d06d15 |
201210222112021 has 8 divisors (see below), whose sum is σ = 205239557556800. Its totient is φ = 197211068955648.
The previous prime is 201210222111959. The next prime is 201210222112157. The reversal of 201210222112021 is 120211222012102.
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 201210222112021 - 211 = 201210222109973 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 201210222112021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201210222112621) 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, 7545558636 + ... + 7545585301.
It is an arithmetic number, because the mean of its divisors is an integer number (25654944694600).
Almost surely, 2201210222112021 is an apocalyptic number.
It is an amenable number.
201210222112021 is a deficient number, since it is larger than the sum of its proper divisors (4029335444779).
201210222112021 is a wasteful number, since it uses less digits than its factorization.
201210222112021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15091144203.
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 201210222112021 its reverse (120211222012102), we get a palindrome (321421444124123).
The spelling of 201210222112021 in words is "two hundred one trillion, two hundred ten billion, two hundred twenty-two million, one hundred twelve thousand, twenty-one".
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