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53725807269 = 32199211142169
BaseRepresentation
bin110010000010010011…
…101100001010100101
312010200020120210100200
4302002103230022211
51340012301313034
640403054301113
73611242553421
oct620223541245
9163606523320
1053725807269
112086a8aa212
12a4b47b7799
1350b292b104
1428594abb81
1515e6a07a99
hexc824ec2a5

53725807269 has 24 divisors (see below), whose sum is σ = 78364104000. Its totient is φ = 35468072640.

The previous prime is 53725807253. The next prime is 53725807271. The reversal of 53725807269 is 96270852735.

53725807269 is a `hidden beast` number, since 5 + 37 + 2 + 580 + 7 + 26 + 9 = 666.

It is not a de Polignac number, because 53725807269 - 24 = 53725807253 is a prime.

It is a super-2 number, since 2×537258072692 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53725807229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306817 + ... + 448985.

It is an arithmetic number, because the mean of its divisors is an integer number (3265171000).

Almost surely, 253725807269 is an apocalyptic number.

It is an amenable number.

53725807269 is a deficient number, since it is larger than the sum of its proper divisors (24638296731).

53725807269 is a wasteful number, since it uses less digits than its factorization.

53725807269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142585 (or 142582 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 53725807269 in words is "fifty-three billion, seven hundred twenty-five million, eight hundred seven thousand, two hundred sixty-nine".

Divisors: 1 3 9 199 211 597 633 1791 1899 41989 125967 142169 377901 426507 1279521 28291631 29997659 84874893 89992977 254624679 269978931 5969534141 17908602423 53725807269