Base | Representation |
---|---|
bin | 10110100011111000… |
… | …11010100001011011 |
3 | 1011021010021000112210 |
4 | 23101330122201123 |
5 | 144301211210021 |
6 | 5321514410203 |
7 | 606103041426 |
oct | 132174324133 |
9 | 34233230483 |
10 | 12112210011 |
11 | 5156032720 |
12 | 2420430963 |
13 | 11b0491a95 |
14 | 82c8aa9bd |
15 | 4ad537e76 |
hex | 2d1f1a85b |
12112210011 has 16 divisors (see below), whose sum is σ = 17635098240. Its totient is φ = 7333509120.
The previous prime is 12112210001. The next prime is 12112210027. The reversal of 12112210011 is 11001221121.
It is not a de Polignac number, because 12112210011 - 25 = 12112209979 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12112210001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146470 + ... + 213723.
It is an arithmetic number, because the mean of its divisors is an integer number (1102193640).
Almost surely, 212112210011 is an apocalyptic number.
12112210011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12112210011 is a deficient number, since it is larger than the sum of its proper divisors (5522888229).
12112210011 is a wasteful number, since it uses less digits than its factorization.
12112210011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 361226.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 12112210011 its reverse (11001221121), we get a palindrome (23113431132).
The spelling of 12112210011 in words is "twelve billion, one hundred twelve million, two hundred ten thousand, eleven".
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