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252302121241 = 346321728521
BaseRepresentation
bin1110101011111001100…
…0001101100100011001
3220010020100221201202221
43222332120031210121
513113203320334431
6311523410024041
724141165434332
oct3527630154431
9803210851687
10252302121241
1198000a73a95
1240a93578021
131aa3acc7701
14c2d6473289
156869ea9111
hex3abe60d919

252302121241 has 4 divisors (see below), whose sum is σ = 252303196084. Its totient is φ = 252301046400.

The previous prime is 252302121217. The next prime is 252302121257. The reversal of 252302121241 is 142121203252.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 123992015625 + 128310105616 = 352125^2 + 358204^2 .

It is a cyclic number.

It is not a de Polignac number, because 252302121241 - 215 = 252302088473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252302721241) 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, 17940 + ... + 710581.

It is an arithmetic number, because the mean of its divisors is an integer number (63075799021).

Almost surely, 2252302121241 is an apocalyptic number.

It is an amenable number.

252302121241 is a deficient number, since it is larger than the sum of its proper divisors (1074843).

252302121241 is an equidigital number, since it uses as much as digits as its factorization.

252302121241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074842.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 252302121241 its reverse (142121203252), we get a palindrome (394423324493).

The spelling of 252302121241 in words is "two hundred fifty-two billion, three hundred two million, one hundred twenty-one thousand, two hundred forty-one".

Divisors: 1 346321 728521 252302121241