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205442002223113 = 474371106430279
BaseRepresentation
bin101110101101100100110001…
…100100001000000000001001
3222221102001201100220120020111
4232231210301210020000021
5203411430210032114423
62004534430343354321
761162460222062645
oct5655446144100011
9887361640816214
10205442002223113
115a507511436097
121b060052a529a1
138a831367b8c26
1438a3635a13c25
1518b404084260d
hexbad931908009

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".

Divisors: 1 47 4371106430279 205442002223113