Base | Representation |
---|---|
bin | 111111100010111… |
… | …0001110100100111 |
3 | 12111121011001122102 |
4 | 1333011301310213 |
5 | 13331322034343 |
6 | 551324522315 |
7 | 103560403256 |
oct | 17705616447 |
9 | 5447131572 |
10 | 2132221223 |
11 | 9a4646400 |
12 | 4b60b039b |
13 | 27c98cb82 |
14 | 16327679d |
15 | c72ce3b8 |
hex | 7f171d27 |
2132221223 has 12 divisors (see below), whose sum is σ = 2393553120. Its totient is φ = 1897135680.
The previous prime is 2132221213. The next prime is 2132221253. The reversal of 2132221223 is 3221222312.
It is a happy number.
It is not a de Polignac number, because 2132221223 - 212 = 2132217127 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2132221195 and 2132221204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2132221213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181778 + ... + 193151.
It is an arithmetic number, because the mean of its divisors is an integer number (199462760).
Almost surely, 22132221223 is an apocalyptic number.
2132221223 is a deficient number, since it is larger than the sum of its proper divisors (261331897).
2132221223 is a wasteful number, since it uses less digits than its factorization.
2132221223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 374998 (or 374987 counting only the distinct ones).
The product of its digits is 576, while the sum is 20.
The square root of 2132221223 is about 46175.9810182740. The cubic root of 2132221223 is about 1287.0954466920.
Adding to 2132221223 its reverse (3221222312), we get a palindrome (5353443535).
The spelling of 2132221223 in words is "two billion, one hundred thirty-two million, two hundred twenty-one thousand, two hundred twenty-three".
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