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13251230241 = 34417076747
BaseRepresentation
bin11000101011101010…
…11011101000100001
31021012111112020120020
430111311123220201
5204114303331431
610030523504053
7646243412214
oct142565335041
937174466506
1013251230241
11568aa79457
122699988029
131332455352
148d9c8577b
1552852a696
hex315d5ba21

13251230241 has 4 divisors (see below), whose sum is σ = 17668306992. Its totient is φ = 8834153492.

The previous prime is 13251230221. The next prime is 13251230273. The reversal of 13251230241 is 14203215231.

13251230241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13251230241 - 218 = 13250968097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13251230221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2208538371 + ... + 2208538376.

It is an arithmetic number, because the mean of its divisors is an integer number (4417076748).

Almost surely, 213251230241 is an apocalyptic number.

It is an amenable number.

13251230241 is a deficient number, since it is larger than the sum of its proper divisors (4417076751).

13251230241 is an equidigital number, since it uses as much as digits as its factorization.

13251230241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417076750.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 13251230241 its reverse (14203215231), we get a palindrome (27454445472).

The spelling of 13251230241 in words is "thirteen billion, two hundred fifty-one million, two hundred thirty thousand, two hundred forty-one".

Divisors: 1 3 4417076747 13251230241