Base | Representation |
---|---|
bin | 10110100011110111… |
… | …00111100010110010 |
3 | 1011021002212102010010 |
4 | 23101323213202302 |
5 | 144301133014302 |
6 | 5321510115350 |
7 | 606101211600 |
oct | 132173474262 |
9 | 34232772103 |
10 | 12112001202 |
11 | 51559aa854 |
12 | 242034bb56 |
13 | 11b041aa22 |
14 | 82c854870 |
15 | 4ad4e616c |
hex | 2d1ee78b2 |
12112001202 has 48 divisors (see below), whose sum is σ = 28196318592. Its totient is φ = 3458437920.
The previous prime is 12112001173. The next prime is 12112001207. The reversal of 12112001202 is 20210021121.
It is not an unprimeable number, because it can be changed into a prime (12112001207) 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 23 ways as a sum of consecutive naturals, for example, 500023 + ... + 523685.
It is an arithmetic number, because the mean of its divisors is an integer number (587423304).
Almost surely, 212112001202 is an apocalyptic number.
12112001202 is an abundant number, since it is smaller than the sum of its proper divisors (16084317390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12112001202 is a wasteful number, since it uses less digits than its factorization.
12112001202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25423 (or 25416 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 12112001202 its reverse (20210021121), we get a palindrome (32322022323).
The spelling of 12112001202 in words is "twelve billion, one hundred twelve million, one thousand, two hundred two".
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