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13245323243 = 109487249521
BaseRepresentation
bin11000101010111101…
…11001011111101011
31021012002102010200112
430111132321133223
5204111300320433
610030153124535
7646142250515
oct142536713753
937162363615
1013245323243
115687704439
1226979b974b
131331167799
148d9188bb5
15527c60348
hex3157b97eb

13245323243 has 8 divisors (see below), whose sum is σ = 13394340960. Its totient is φ = 13096805760.

The previous prime is 13245323219. The next prime is 13245323249. The reversal of 13245323243 is 34232354231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13245323243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13245323249) 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, 71678 + ... + 177843.

It is an arithmetic number, because the mean of its divisors is an integer number (1674292620).

Almost surely, 213245323243 is an apocalyptic number.

13245323243 is a deficient number, since it is larger than the sum of its proper divisors (149017717).

13245323243 is a wasteful number, since it uses less digits than its factorization.

13245323243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250117.

The product of its digits is 51840, while the sum is 32.

Adding to 13245323243 its reverse (34232354231), we get a palindrome (47477677474).

The spelling of 13245323243 in words is "thirteen billion, two hundred forty-five million, three hundred twenty-three thousand, two hundred forty-three".

Divisors: 1 109 487 53083 249521 27197789 121516727 13245323243