Base | Representation |
---|---|
bin | 11011110010100100010011… |
… | …011010101101011011110110 |
3 | 121000202022212222011010021212 |
4 | 123302210103122231123312 |
5 | 112004442041242024342 |
6 | 1111540035211441422 |
7 | 34513156206364124 |
oct | 3362442332553366 |
9 | 530668788133255 |
10 | 122222210111222 |
11 | 35a4216a310511 |
12 | 1185b596a56272 |
13 | 5327674519850 |
14 | 222782d636914 |
15 | e1e43088b182 |
hex | 6f29136ad6f6 |
122222210111222 has 8 divisors (see below), whose sum is σ = 197435877872016. Its totient is φ = 56410250820552.
The previous prime is 122222210111189. The next prime is 122222210111227. The reversal of 122222210111222 is 222111012222221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1222222101112222 (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 (122222210111227) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350427117498 + ... + 2350427117549.
It is an arithmetic number, because the mean of its divisors is an integer number (24679484734002).
Almost surely, 2122222210111222 is an apocalyptic number.
122222210111222 is a deficient number, since it is larger than the sum of its proper divisors (75213667760794).
122222210111222 is a wasteful number, since it uses less digits than its factorization.
122222210111222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4700854235062.
The product of its (nonzero) digits is 512, while the sum is 23.
Adding to 122222210111222 its reverse (222111012222221), we get a palindrome (344333222333443).
The spelling of 122222210111222 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred ten million, one hundred eleven thousand, two hundred twenty-two".
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