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252443522223 = 321131491665931
BaseRepresentation
bin1110101100011011001…
…1100111010010101111
3220010121020000122110100
43223012303213102233
513114001020202343
6311545420442143
724144533351154
oct3530663472257
9803536018410
10252443522223
1198073872702
1240b129a9353
131aa613a5629
14c30b16022b
1568775da9d3
hex3ac6ce74af

252443522223 has 24 divisors (see below), whose sum is σ = 370336683600. Its totient is φ = 165686734080.

The previous prime is 252443522197. The next prime is 252443522273. The reversal of 252443522223 is 322225344252.

252443522223 is a `hidden beast` number, since 2 + 524 + 43 + 52 + 22 + 23 = 666.

It is not a de Polignac number, because 252443522223 - 29 = 252443521711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252443522273) 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, 681433 + ... + 984498.

It is an arithmetic number, because the mean of its divisors is an integer number (15430695150).

Almost surely, 2252443522223 is an apocalyptic number.

252443522223 is a deficient number, since it is larger than the sum of its proper divisors (117893161377).

252443522223 is a wasteful number, since it uses less digits than its factorization.

252443522223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666199 (or 1666196 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

Adding to 252443522223 its reverse (322225344252), we get a palindrome (574668866475).

The spelling of 252443522223 in words is "two hundred fifty-two billion, four hundred forty-three million, five hundred twenty-two thousand, two hundred twenty-three".

Divisors: 1 3 9 113 149 339 447 1017 1341 16837 50511 151533 1665931 4997793 14993379 188250203 248223719 564750609 744671157 1694251827 2234013471 28049280247 84147840741 252443522223