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205422404010245 = 583686372124981
BaseRepresentation
bin101110101101010010100001…
…011010111000000100000101
3222221100012010112102012022122
4232231102201122320010011
5203411120040411311440
62004521425525535325
761161164446033052
oct5655224132700405
9887305115365278
10205422404010245
115a4aa174792754
121b0582a3574545
138a8133242a176
1438a26d6c3a029
1518b3794ede7b5
hexbad4a16b8105

205422404010245 has 16 divisors (see below), whose sum is σ = 249513201729792. Its totient is φ = 162334288985280.

The previous prime is 205422404010233. The next prime is 205422404010283. The reversal of 205422404010245 is 542010404224502.

It is not a de Polignac number, because 205422404010245 - 218 = 205422403748101 is a prime.

It is a Duffinian number.

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, 33214346 + ... + 38910635.

It is an arithmetic number, because the mean of its divisors is an integer number (15594575108112).

Almost surely, 2205422404010245 is an apocalyptic number.

It is an amenable number.

205422404010245 is a deficient number, since it is larger than the sum of its proper divisors (44090797719547).

205422404010245 is an equidigital number, since it uses as much as digits as its factorization.

205422404010245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72131932.

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 205422404010245 its reverse (542010404224502), we get a palindrome (747432808234747).

The spelling of 205422404010245 in words is "two hundred five trillion, four hundred twenty-two billion, four hundred four million, ten thousand, two hundred forty-five".

Divisors: 1 5 83 415 6863 34315 569629 2848145 72124981 360624905 5986373423 29931867115 494993744603 2474968723015 41084480802049 205422404010245