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13221530241 = 317259245691
BaseRepresentation
bin11000101000001000…
…01000101010000001
31021010102122022211020
430110010020222001
5204034202431431
610023543140053
7645433103253
oct142404105201
937112568736
1013221530241
1156752333a7
12268ba44629
131329256a9a
148d5d53cd3
15525b10696
hex314108a81

13221530241 has 8 divisors (see below), whose sum is σ = 18665689824. Its totient is φ = 8295862080.

The previous prime is 13221530239. The next prime is 13221530263. The reversal of 13221530241 is 14203512231.

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

It is not a de Polignac number, because 13221530241 - 21 = 13221530239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13221538241) 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, 129622795 + ... + 129622896.

It is an arithmetic number, because the mean of its divisors is an integer number (2333211228).

Almost surely, 213221530241 is an apocalyptic number.

It is an amenable number.

13221530241 is a deficient number, since it is larger than the sum of its proper divisors (5444159583).

13221530241 is a wasteful number, since it uses less digits than its factorization.

13221530241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259245711.

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

The spelling of 13221530241 in words is "thirteen billion, two hundred twenty-one million, five hundred thirty thousand, two hundred forty-one".

Divisors: 1 3 17 51 259245691 777737073 4407176747 13221530241