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252524001121 = 736074857303
BaseRepresentation
bin1110101100101110011…
…0100111011101100001
3220010210211110101202021
43223023212213131201
513114132121013441
6312001413421441
724146531410420
oct3531346473541
9803724411667
10252524001121
1198105240697
1240b3593a881
131aa74c72992
14c317b0d2b7
15687e6d63d1
hex3acb9a7761

252524001121 has 4 divisors (see below), whose sum is σ = 288598858432. Its totient is φ = 216449143812.

The previous prime is 252524001113. The next prime is 252524001137. The reversal of 252524001121 is 121100425252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252524001121 - 23 = 252524001113 is a prime.

It is a super-2 number, since 2×2525240011212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252524007121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18037428645 + ... + 18037428658.

It is an arithmetic number, because the mean of its divisors is an integer number (72149714608).

Almost surely, 2252524001121 is an apocalyptic number.

It is an amenable number.

252524001121 is a deficient number, since it is larger than the sum of its proper divisors (36074857311).

252524001121 is an equidigital number, since it uses as much as digits as its factorization.

252524001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36074857310.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 252524001121 its reverse (121100425252), we get a palindrome (373624426373).

The spelling of 252524001121 in words is "two hundred fifty-two billion, five hundred twenty-four million, one thousand, one hundred twenty-one".

Divisors: 1 7 36074857303 252524001121