Base | Representation |
---|---|
bin | 11000100110111010… |
… | …01110111000001111 |
3 | 1021002201110012121201 |
4 | 30103131032320033 |
5 | 204024100111421 |
6 | 10022540410331 |
7 | 645250320145 |
oct | 142335167017 |
9 | 37081405551 |
10 | 13211332111 |
11 | 566a4a839a |
12 | 26885469a7 |
13 | 13270c5ca3 |
14 | 8d485b595 |
15 | 524c98b91 |
hex | 31374ee0f |
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".
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