Base | Representation |
---|---|
bin | 101110101101100100110001… |
… | …100100001000000000001001 |
3 | 222221102001201100220120020111 |
4 | 232231210301210020000021 |
5 | 203411430210032114423 |
6 | 2004534430343354321 |
7 | 61162460222062645 |
oct | 5655446144100011 |
9 | 887361640816214 |
10 | 205442002223113 |
11 | 5a507511436097 |
12 | 1b060052a529a1 |
13 | 8a831367b8c26 |
14 | 38a3635a13c25 |
15 | 18b404084260d |
hex | bad931908009 |
205442002223113 has 4 divisors (see below), whose sum is σ = 209813108653440. Its totient is φ = 201070895792788.
The previous prime is 205442002223069. The next prime is 205442002223123. The reversal of 205442002223113 is 311322200244502.
It is a happy number.
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 de Polignac number, because none of the positive numbers 2k-205442002223113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (205442002223123) 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, 2185553215093 + ... + 2185553215186.
It is an arithmetic number, because the mean of its divisors is an integer number (52453277163360).
Almost surely, 2205442002223113 is an apocalyptic number.
It is an amenable number.
205442002223113 is a deficient number, since it is larger than the sum of its proper divisors (4371106430327).
205442002223113 is an equidigital number, since it uses as much as digits as its factorization.
205442002223113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4371106430326.
The product of its (nonzero) digits is 23040, while the sum is 31.
Adding to 205442002223113 its reverse (311322200244502), we get a palindrome (516764202467615).
The spelling of 205442002223113 in words is "two hundred five trillion, four hundred forty-two billion, two million, two hundred twenty-three thousand, one hundred thirteen".
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