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13242534160225 = 522699181214481
BaseRepresentation
bin1100000010110100010010…
…0010110110011101100001
31201212222021222022102120111
43000231010202312131201
53213431202221111400
644055311453211321
72534512225061416
oct300550442663541
951788258272514
1013242534160225
114246144335027
12159a5a9a90b41
137509c5089a26
1433ad2909810d
1517e706d1a3ba
hexc0b448b6761

13242534160225 has 24 divisors (see below), whose sum is σ = 16483658069880. Its totient is φ = 10553445504000.

The previous prime is 13242534160189. The next prime is 13242534160231. The reversal of 13242534160225 is 52206143524231.

It can be written as a sum of positive squares in 12 ways, for example, as 6010651465569 + 7231882694656 = 2451663^2 + 2689216^2 .

It is not a de Polignac number, because 13242534160225 - 215 = 13242534127457 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61634985 + ... + 61849465.

It is an arithmetic number, because the mean of its divisors is an integer number (686819086245).

Almost surely, 213242534160225 is an apocalyptic number.

It is an amenable number.

13242534160225 is a deficient number, since it is larger than the sum of its proper divisors (3241123909655).

13242534160225 is a wasteful number, since it uses less digits than its factorization.

13242534160225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223941 (or 223936 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 13242534160225 its reverse (52206143524231), we get a palindrome (65448677684456).

The spelling of 13242534160225 in words is "thirteen trillion, two hundred forty-two billion, five hundred thirty-four million, one hundred sixty thousand, two hundred twenty-five".

Divisors: 1 5 25 269 1345 6725 9181 45905 214481 229525 1072405 2469689 5362025 12348445 57695389 61742225 288476945 1442384725 1969150061 9845750305 49228751525 529701366409 2648506832045 13242534160225