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13213111213111 = 103214159917157
BaseRepresentation
bin1100000001000110101011…
…0011001101110000110111
31201210011100102211211221111
43000101222303031300313
53212440422432304421
644034004113255451
72532421133126455
oct300215263156067
951704312754844
1013213111213111
1142347158a6407
121594958264587
1374acb6417854
143397375419d5
1517da83bc9ee1
hexc046accdc37

13213111213111 has 8 divisors (see below), whose sum is σ = 13347625453344. Its totient is φ = 13078716811680.

The previous prime is 13213111213103. The next prime is 13213111213157. The reversal of 13213111213111 is 11131211131231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13213111213111 - 23 = 13213111213103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213111613111) 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, 29738056 + ... + 30179101.

It is an arithmetic number, because the mean of its divisors is an integer number (1668453181668).

Almost surely, 213213111213111 is an apocalyptic number.

13213111213111 is a deficient number, since it is larger than the sum of its proper divisors (134514240233).

13213111213111 is a wasteful number, since it uses less digits than its factorization.

13213111213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59919401.

The product of its digits is 108, while the sum is 22.

Adding to 13213111213111 its reverse (11131211131231), we get a palindrome (24344322344342).

The spelling of 13213111213111 in words is "thirteen trillion, two hundred thirteen billion, one hundred eleven million, two hundred thirteen thousand, one hundred eleven".

Divisors: 1 103 2141 220523 59917157 6171467171 128282633137 13213111213111