Base | Representation |
---|---|
bin | 1100111011011101100… |
… | …1110100011111011110 |
3 | 210020022221120221101110 |
4 | 3032313121310133132 |
5 | 12114400301044410 |
6 | 250012441322450 |
7 | 22022230443420 |
oct | 3166731643736 |
9 | 706287527343 |
10 | 222120331230 |
11 | 86223155486 |
12 | 3706b796426 |
13 | 17c3b082a75 |
14 | aa71c26810 |
15 | 5ba0421720 |
hex | 33b76747de |
222120331230 has 32 divisors (see below), whose sum is σ = 609244337664. Its totient is φ = 50770361376.
The previous prime is 222120331219. The next prime is 222120331253. The reversal of 222120331230 is 32133021222.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 222120331197 and 222120331206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528857722 + ... + 528858141.
It is an arithmetic number, because the mean of its divisors is an integer number (19038885552).
Almost surely, 2222120331230 is an apocalyptic number.
222120331230 is an abundant number, since it is smaller than the sum of its proper divisors (387124006434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222120331230 is a wasteful number, since it uses less digits than its factorization.
222120331230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1057715880.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 222120331230 its reverse (32133021222), we get a palindrome (254253352452).
The spelling of 222120331230 in words is "two hundred twenty-two billion, one hundred twenty million, three hundred thirty-one thousand, two hundred thirty".
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