Base | Representation |
---|---|
bin | 10001000011001… |
… | …11101101001000 |
3 | 100222010201210121 |
4 | 20201213231020 |
5 | 243103443422 |
6 | 22105353024 |
7 | 3354513220 |
oct | 1041475510 |
9 | 328121717 |
10 | 143031112 |
11 | 73812434 |
12 | 3ba98774 |
13 | 2382bbc3 |
14 | 14dd3080 |
15 | c8548c7 |
hex | 8867b48 |
143031112 has 32 divisors (see below), whose sum is σ = 319824000. Its totient is φ = 58633344.
The previous prime is 143031071. The next prime is 143031113. The reversal of 143031112 is 211130341.
143031112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (143031113) 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, 54237 + ... + 56812.
It is an arithmetic number, because the mean of its divisors is an integer number (9994500).
Almost surely, 2143031112 is an apocalyptic number.
It is an amenable number.
143031112 is an abundant number, since it is smaller than the sum of its proper divisors (176792888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143031112 is a wasteful number, since it uses less digits than its factorization.
143031112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111085 (or 111081 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 143031112 is about 11959.5615304241. The cubic root of 143031112 is about 522.9700745868.
Adding to 143031112 its reverse (211130341), we get a palindrome (354161453).
The spelling of 143031112 in words is "one hundred forty-three million, thirty-one thousand, one hundred twelve".
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