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252533022241 = 865312918411
BaseRepresentation
bin1110101100110000100…
…1000001111000100001
3220010211110102201101211
43223030021001320201
513114141423202431
6312002335030121
724150001162153
oct3531411017041
9803743381354
10252533022241
119810a342365
1240b3896b341
131aa76ab0b16
14c318dbaad3
1568803b92b1
hex3acc241e21

252533022241 has 4 divisors (see below), whose sum is σ = 252536027184. Its totient is φ = 252530017300.

The previous prime is 252533022211. The next prime is 252533022311. The reversal of 252533022241 is 142220335252.

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 252533022241 - 29 = 252533021729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252533022211) 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, 1372675 + ... + 1545736.

It is an arithmetic number, because the mean of its divisors is an integer number (63134006796).

Almost surely, 2252533022241 is an apocalyptic number.

It is an amenable number.

252533022241 is a deficient number, since it is larger than the sum of its proper divisors (3004943).

252533022241 is an equidigital number, since it uses as much as digits as its factorization.

252533022241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004942.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 252533022241 its reverse (142220335252), we get a palindrome (394753357493).

The spelling of 252533022241 in words is "two hundred fifty-two billion, five hundred thirty-three million, twenty-two thousand, two hundred forty-one".

Divisors: 1 86531 2918411 252533022241