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13325431241 = 293531301693
BaseRepresentation
bin11000110100100000…
…11111000111001001
31021101200011001012102
430122100133013021
5204242302244431
610042134123145
7651134203523
oct143220370711
937350131172
1013325431241
1157189497a1
1226ba7b04b5
131344935075
14905a7ca13
1552ecd5dcb
hex31a41f1c9

13325431241 has 8 divisors (see below), whose sum is σ = 13823990280. Its totient is φ = 12829476352.

The previous prime is 13325431237. The next prime is 13325431247. The reversal of 13325431241 is 14213452331.

It can be written as a sum of positive squares in 4 ways, for example, as 1714291216 + 11611140025 = 41404^2 + 107755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13325431241 - 22 = 13325431237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (13325431247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640610 + ... + 661083.

It is an arithmetic number, because the mean of its divisors is an integer number (1727998785).

Almost surely, 213325431241 is an apocalyptic number.

It is an amenable number.

13325431241 is a deficient number, since it is larger than the sum of its proper divisors (498559039).

13325431241 is a wasteful number, since it uses less digits than its factorization.

13325431241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302075.

The product of its digits is 8640, while the sum is 29.

Adding to 13325431241 its reverse (14213452331), we get a palindrome (27538883572).

The spelling of 13325431241 in words is "thirteen billion, three hundred twenty-five million, four hundred thirty-one thousand, two hundred forty-one".

Divisors: 1 29 353 10237 1301693 37749097 459497629 13325431241