Base | Representation |
---|---|
bin | 110010100001110000100011… |
… | …011010110010101100110101 |
3 | 1002010211020100100102201001220 |
4 | 302201300203122302230311 |
5 | 213111342032220333023 |
6 | 2104343245331140553 |
7 | 64544011220610333 |
oct | 6241604332625465 |
9 | 1063736310381056 |
10 | 222222202121013 |
11 | 648969a785a506 |
12 | 20b10199a44759 |
13 | 96cc604ac5953 |
14 | 3cc387d368b53 |
15 | 1aa57995cd3e3 |
hex | ca1c236b2b35 |
222222202121013 has 32 divisors (see below), whose sum is σ = 312966648633600. Its totient is φ = 140059261579776.
The previous prime is 222222202120999. The next prime is 222222202121083. The reversal of 222222202121013 is 310121202222222.
It is not a de Polignac number, because 222222202121013 - 26 = 222222202120949 is a prime.
It is a super-2 number, since 2×2222222021210132 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222222202121083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138521670 + ... + 140116727.
It is an arithmetic number, because the mean of its divisors is an integer number (9780207769800).
Almost surely, 2222222202121013 is an apocalyptic number.
It is an amenable number.
222222202121013 is a deficient number, since it is larger than the sum of its proper divisors (90744446512587).
222222202121013 is a wasteful number, since it uses less digits than its factorization.
222222202121013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278638621.
The product of its (nonzero) digits is 1536, while the sum is 24.
Adding to 222222202121013 its reverse (310121202222222), we get a palindrome (532343404343235).
The spelling of 222222202121013 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred two million, one hundred twenty-one thousand, thirteen".
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