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203440214341 = 7213615235613
BaseRepresentation
bin1011110101110111111…
…0110101000101000101
3201110010002122200101101
42331131332311011011
511313121143324331
6233243101500101
720461303201300
oct2753576650505
9643102580341
10203440214341
1179307774151
1233517871631
1316251c85270
149bbcd59b37
15545a4c2061
hex2f5dfb5145

203440214341 has 24 divisors (see below), whose sum is σ = 259037238264. Its totient is φ = 158324906880.

The previous prime is 203440214317. The next prime is 203440214363. The reversal of 203440214341 is 143412044302.

It can be written as a sum of positive squares in 4 ways, for example, as 13958477316 + 189481737025 = 118146^2 + 435295^2 .

It is not a de Polignac number, because 203440214341 - 27 = 203440214213 is a prime.

It is a super-2 number, since 2×2034402143412 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203440214381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2578950 + ... + 2656663.

It is an arithmetic number, because the mean of its divisors is an integer number (10793218261).

Almost surely, 2203440214341 is an apocalyptic number.

It is an amenable number.

203440214341 is a deficient number, since it is larger than the sum of its proper divisors (55597023923).

203440214341 is a wasteful number, since it uses less digits than its factorization.

203440214341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235701 (or 5235694 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 203440214341 its reverse (143412044302), we get a palindrome (346852258643).

The spelling of 203440214341 in words is "two hundred three billion, four hundred forty million, two hundred fourteen thousand, three hundred forty-one".

Divisors: 1 7 13 49 61 91 427 637 793 2989 5551 38857 5235613 36649291 68062969 256545037 319372393 476440783 2235606751 3335085481 4151841109 15649247257 29062887763 203440214341