Search a number
-
+
13243332325 = 521493555257
BaseRepresentation
bin11000101010101110…
…10011011011100101
31021011221122222122211
430111113103123211
5204110243113300
610030042323421
7646116316216
oct142527233345
937157588584
1013243332325
115686574653
1226971b9571
13133091b522
148d8bcb40d
155279ba4ba
hex3155d36e5

13243332325 has 12 divisors (see below), whose sum is σ = 16531949700. Its totient is φ = 10523557760.

The previous prime is 13243332313. The next prime is 13243332341. The reversal of 13243332325 is 52323334231.

It can be written as a sum of positive squares in 6 ways, for example, as 1655025124 + 11588307201 = 40682^2 + 107649^2 .

It is not a de Polignac number, because 13243332325 - 25 = 13243332293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1773904 + ... + 1781353.

It is an arithmetic number, because the mean of its divisors is an integer number (1377662475).

Almost surely, 213243332325 is an apocalyptic number.

It is an amenable number.

13243332325 is a deficient number, since it is larger than the sum of its proper divisors (3288617375).

13243332325 is a wasteful number, since it uses less digits than its factorization.

13243332325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555416 (or 3555411 counting only the distinct ones).

The product of its digits is 38880, while the sum is 31.

Adding to 13243332325 its reverse (52323334231), we get a palindrome (65566666556).

The spelling of 13243332325 in words is "thirteen billion, two hundred forty-three million, three hundred thirty-two thousand, three hundred twenty-five".

Divisors: 1 5 25 149 745 3725 3555257 17776285 88881425 529733293 2648666465 13243332325