Base | Representation |
---|---|
bin | 1001100011011110011001… |
… | …10111101101001111000010 |
3 | 2202101112210112120222011011 |
4 | 10301233030313231033002 |
5 | 10223212212240400002 |
6 | 112403530014311134 |
7 | 4265634262036045 |
oct | 461571467551702 |
9 | 82345715528134 |
10 | 21010122200002 |
11 | 6770385281681 |
12 | 2433a9b4b84aa |
13 | b95327684120 |
14 | 528c76b56c5c |
15 | 2667c50978d7 |
hex | 131bccded3c2 |
21010122200002 has 8 divisors (see below), whose sum is σ = 33939428169276. Its totient is φ = 9696979476912.
The previous prime is 21010122199991. The next prime is 21010122200071. The reversal of 21010122200002 is 20000222101012.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 20944160037441 + 65962162561 = 4576479^2 + 256831^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404040811513 + ... + 404040811564.
Almost surely, 221010122200002 is an apocalyptic number.
21010122200002 is a deficient number, since it is larger than the sum of its proper divisors (12929305969274).
21010122200002 is a wasteful number, since it uses less digits than its factorization.
21010122200002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 808081623092.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 21010122200002 its reverse (20000222101012), we get a palindrome (41010344301014).
The spelling of 21010122200002 in words is "twenty-one trillion, ten billion, one hundred twenty-two million, two hundred thousand, two".
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