Base | Representation |
---|---|
bin | 100000110001001110010101… |
… | …111011011011101001101101 |
3 | 200220021202021120012010012100 |
4 | 200301032111323123221231 |
5 | 122342231023102032341 |
6 | 1230303514002325313 |
7 | 42233223332000541 |
oct | 4061162573335155 |
9 | 626252246163170 |
10 | 144120143002221 |
11 | 41a1501157a691 |
12 | 141b7548359839 |
13 | 6255618212199 |
14 | 2783648959a21 |
15 | 119dd67c983b6 |
hex | 831395edba6d |
144120143002221 has 24 divisors (see below), whose sum is σ = 213567704977536. Its totient is φ = 93622195517760.
The previous prime is 144120143002163. The next prime is 144120143002229. The reversal of 144120143002221 is 122200341021441.
144120143002221 is a `hidden beast` number, since 1 + 4 + 4 + 1 + 2 + 0 + 1 + 430 + 0 + 2 + 221 = 666.
It is not a de Polignac number, because 144120143002221 - 214 = 144120142985837 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144120143002229) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1321396965 + ... + 1321506026.
It is an arithmetic number, because the mean of its divisors is an integer number (8898654374064).
Almost surely, 2144120143002221 is an apocalyptic number.
It is an amenable number.
144120143002221 is a deficient number, since it is larger than the sum of its proper divisors (69447561975315).
144120143002221 is a wasteful number, since it uses less digits than its factorization.
144120143002221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2642903153 (or 2642903150 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
Adding to 144120143002221 its reverse (122200341021441), we get a palindrome (266320484023662).
The spelling of 144120143002221 in words is "one hundred forty-four trillion, one hundred twenty billion, one hundred forty-three million, two thousand, two hundred twenty-one".
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