Base | Representation |
---|---|
bin | 1100111011011101100… |
… | …1000001011101100101 |
3 | 210020022221012022200002 |
4 | 3032313121001131211 |
5 | 12114400222402323 |
6 | 250012433031045 |
7 | 22022225613143 |
oct | 3166731013545 |
9 | 706287168602 |
10 | 222120122213 |
11 | 86223022440 |
12 | 3706b6b5485 |
13 | 17c3b00b8a2 |
14 | aa71bb0593 |
15 | 5ba03ce828 |
hex | 33b7641765 |
222120122213 has 4 divisors (see below), whose sum is σ = 242312860608. Its totient is φ = 201927383820.
The previous prime is 222120122183. The next prime is 222120122261. The reversal of 222120122213 is 312221021222.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 222120122213 - 28 = 222120121957 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222120122713) 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, 10096369181 + ... + 10096369202.
It is an arithmetic number, because the mean of its divisors is an integer number (60578215152).
Almost surely, 2222120122213 is an apocalyptic number.
It is an amenable number.
222120122213 is a deficient number, since it is larger than the sum of its proper divisors (20192738395).
222120122213 is a wasteful number, since it uses less digits than its factorization.
222120122213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20192738394.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 222120122213 its reverse (312221021222), we get a palindrome (534341143435).
The spelling of 222120122213 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, two hundred thirteen".
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