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13531201322 = 240507167023
BaseRepresentation
bin11001001101000010…
…11011111100101010
31021221000100020200112
430212201123330222
5210202441420242
610114404334322
7656213212352
oct144641337452
937830306615
1013531201322
115814012911
1227576a43a2
13137845c802
14925123b62
15542dcec82
hex32685bf2a

13531201322 has 8 divisors (see below), whose sum is σ = 20297424576. Its totient is φ = 6765393132.

The previous prime is 13531201261. The next prime is 13531201331. The reversal of 13531201322 is 22310213531.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2498 + ... + 164525.

It is an arithmetic number, because the mean of its divisors is an integer number (2537178072).

Almost surely, 213531201322 is an apocalyptic number.

13531201322 is a deficient number, since it is larger than the sum of its proper divisors (6766223254).

13531201322 is a wasteful number, since it uses less digits than its factorization.

13531201322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207532.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 13531201322 its reverse (22310213531), we get a palindrome (35841414853).

The spelling of 13531201322 in words is "thirteen billion, five hundred thirty-one million, two hundred one thousand, three hundred twenty-two".

Divisors: 1 2 40507 81014 167023 334046 6765600661 13531201322