Base | Representation |
---|---|
bin | 10000111100011… |
… | …11001001111101 |
3 | 100220110200002020 |
4 | 20132033021331 |
5 | 242342103000 |
6 | 22034350353 |
7 | 3344130234 |
oct | 1036171175 |
9 | 326420066 |
10 | 142144125 |
11 | 73266a92 |
12 | 3b72b3b9 |
13 | 235ab266 |
14 | 14c41b1b |
15 | c72bba0 |
hex | 878f27d |
142144125 has 32 divisors (see below), whose sum is σ = 239241600. Its totient is φ = 74940800.
The previous prime is 142144103. The next prime is 142144127. The reversal of 142144125 is 521441241.
It is not a de Polignac number, because 142144125 - 212 = 142140029 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 142144095 and 142144104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142144127) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31246 + ... + 35504.
It is an arithmetic number, because the mean of its divisors is an integer number (7476300).
Almost surely, 2142144125 is an apocalyptic number.
142144125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142144125 is a deficient number, since it is larger than the sum of its proper divisors (97097475).
142144125 is an equidigital number, since it uses as much as digits as its factorization.
142144125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4366 (or 4356 counting only the distinct ones).
The product of its digits is 1280, while the sum is 24.
The square root of 142144125 is about 11922.4211047924. The cubic root of 142144125 is about 521.8867908221.
Adding to 142144125 its reverse (521441241), we get a palindrome (663585366).
The spelling of 142144125 in words is "one hundred forty-two million, one hundred forty-four thousand, one hundred twenty-five".
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