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13231115342 = 2101313209267
BaseRepresentation
bin11000101001010001…
…01100110001001110
31021011002200022002222
430110220230301032
5204044131142332
610024524415342
7645610424204
oct142450546116
937132608088
1013231115342
11567a68a875
1226930a7552
13132b231843
148d732b074
155268a5712
hex314a2cc4e

13231115342 has 16 divisors (see below), whose sum is σ = 20107306512. Its totient is φ = 6529099200.

The previous prime is 13231115333. The next prime is 13231115389. The reversal of 13231115342 is 24351113231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41408 + ... + 167859.

It is an arithmetic number, because the mean of its divisors is an integer number (1256706657).

Almost surely, 213231115342 is an apocalyptic number.

13231115342 is a deficient number, since it is larger than the sum of its proper divisors (6876191170).

13231115342 is a wasteful number, since it uses less digits than its factorization.

13231115342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209683.

The product of its digits is 2160, while the sum is 26.

Adding to 13231115342 its reverse (24351113231), we get a palindrome (37582228573).

The spelling of 13231115342 in words is "thirteen billion, two hundred thirty-one million, one hundred fifteen thousand, three hundred forty-two".

Divisors: 1 2 101 202 313 626 31613 63226 209267 418534 21135967 42271934 65500571 131001142 6615557671 13231115342