Base | Representation |
---|---|
bin | 1110010101001… |
… | …11001000001110 |
3 | 22101012220212220 |
4 | 13022213020032 |
5 | 221234102342 |
6 | 15532440210 |
7 | 2656605051 |
oct | 712471016 |
9 | 271186786 |
10 | 120222222 |
11 | 6195380a |
12 | 34319066 |
13 | 1bba4113 |
14 | 11d76a98 |
15 | a84b5ec |
hex | 72a720e |
120222222 has 8 divisors (see below), whose sum is σ = 240444456. Its totient is φ = 40074072.
The previous prime is 120222203. The next prime is 120222229. The reversal of 120222222 is 222222021.
It is a sphenic number, since it is the product of 3 distinct primes.
120222222 is an admirable number.
It is a super-3 number, since 3×1202222223 (a number of 25 digits) contains 333 as substring.
120222222 is a modest number, since divided by 22222 gives 1202 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120222229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10018513 + ... + 10018524.
It is an arithmetic number, because the mean of its divisors is an integer number (30055557).
Almost surely, 2120222222 is an apocalyptic number.
120222222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120222222 is a wasteful number, since it uses less digits than its factorization.
120222222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20037042.
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 120222222 is about 10964.5894587987. The cubic root of 120222222 is about 493.5466974367.
Adding to 120222222 its reverse (222222021), we get a palindrome (342444243).
The spelling of 120222222 in words is "one hundred twenty million, two hundred twenty-two thousand, two hundred twenty-two".
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