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13211332111 = 171945789501
BaseRepresentation
bin11000100110111010…
…01110111000001111
31021002201110012121201
430103131032320033
5204024100111421
610022540410331
7645250320145
oct142335167017
937081405551
1013211332111
11566a4a839a
1226885469a7
1313270c5ca3
148d485b595
15524c98b91
hex31374ee0f

13211332111 has 16 divisors (see below), whose sum is σ = 14757089760. Its totient is φ = 11753856000.

The previous prime is 13211332103. The next prime is 13211332117. The reversal of 13211332111 is 11123311231.

It is not a de Polignac number, because 13211332111 - 23 = 13211332103 is a prime.

It is a super-2 number, since 2×132113321112 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211332117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102861 + ... + 192361.

It is an arithmetic number, because the mean of its divisors is an integer number (922318110).

Almost surely, 213211332111 is an apocalyptic number.

13211332111 is a deficient number, since it is larger than the sum of its proper divisors (1545757649).

13211332111 is a wasteful number, since it uses less digits than its factorization.

13211332111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89994.

The product of its digits is 108, while the sum is 19.

Adding to 13211332111 its reverse (11123311231), we get a palindrome (24334643342).

The spelling of 13211332111 in words is "thirteen billion, two hundred eleven million, three hundred thirty-two thousand, one hundred eleven".

Divisors: 1 17 19 323 457 7769 8683 89501 147611 1521517 1700519 28908823 40901957 695333269 777137183 13211332111