Base | Representation |
---|---|
bin | 100000001100010001011… |
… | …101111000001000011010 |
3 | 21211111002002211211100100 |
4 | 200030101131320020122 |
5 | 242221042001432302 |
6 | 4412134325120230 |
7 | 315553256651115 |
oct | 40142135701032 |
9 | 7744062754310 |
10 | 2212201202202 |
11 | 7832099a7872 |
12 | 2b88a5859076 |
13 | 1307c0603604 |
14 | 790dd1a557c |
15 | 3c8276b7d1c |
hex | 2031177821a |
2212201202202 has 24 divisors (see below), whose sum is σ = 4793254491636. Its totient is φ = 737377033536.
The previous prime is 2212201202201. The next prime is 2212201202209. The reversal of 2212201202202 is 2022021022122.
2212201202202 is a `hidden beast` number, since 221 + 2 + 201 + 20 + 220 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1819722758841 + 392478443361 = 1348971^2 + 626481^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (2212201202201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1358653 + ... + 2504064.
Almost surely, 22212201202202 is an apocalyptic number.
2212201202202 is an abundant number, since it is smaller than the sum of its proper divisors (2581053289434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212201202202 is a wasteful number, since it uses less digits than its factorization.
2212201202202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3894542 (or 3894539 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 2212201202202 its reverse (2022021022122), we get a palindrome (4234222224324).
The spelling of 2212201202202 in words is "two trillion, two hundred twelve billion, two hundred one million, two hundred two thousand, two hundred two".
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