Base | Representation |
---|---|
bin | 1000010001011111011… |
… | …1001000001100111010 |
3 | 111120212120122220221200 |
4 | 2010113313020030322 |
5 | 4312042331421000 |
6 | 145143502115030 |
7 | 13161135114261 |
oct | 2042767101472 |
9 | 446776586850 |
10 | 142134248250 |
11 | 55308094475 |
12 | 2366857ba76 |
13 | 10531ab1697 |
14 | 6c44c715d8 |
15 | 3a6d2a1500 |
hex | 2117dc833a |
142134248250 has 192 divisors, whose sum is σ = 399055887360. Its totient is φ = 36464688000.
The previous prime is 142134248237. The next prime is 142134248251. The reversal of 142134248250 is 52842431241.
142134248250 is a `hidden beast` number, since 1 + 4 + 21 + 342 + 48 + 250 = 666.
It is not an unprimeable number, because it can be changed into a prime (142134248251) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12060861 + ... + 12072639.
It is an arithmetic number, because the mean of its divisors is an integer number (2078416080).
Almost surely, 2142134248250 is an apocalyptic number.
142134248250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 142134248250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199527943680).
142134248250 is an abundant number, since it is smaller than the sum of its proper divisors (256921639110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142134248250 is a wasteful number, since it uses less digits than its factorization.
142134248250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12006 (or 11993 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 36.
Adding to 142134248250 its reverse (52842431241), we get a palindrome (194976679491).
The spelling of 142134248250 in words is "one hundred forty-two billion, one hundred thirty-four million, two hundred forty-eight thousand, two hundred fifty".
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