Base | Representation |
---|---|
bin | 1000010010000111110… |
… | …0100000100110000000 |
3 | 111121022101000022002221 |
4 | 2010201330200212000 |
5 | 4312414134243130 |
6 | 145212344220424 |
7 | 13165261130461 |
oct | 2044174404600 |
9 | 447271008087 |
10 | 142303431040 |
11 | 55394638a61 |
12 | 236b516a714 |
13 | 1055ab68a44 |
14 | 6c5d510d68 |
15 | 3a7d06e87a |
hex | 2121f20980 |
142303431040 has 128 divisors (see below), whose sum is σ = 346378291200. Its totient is φ = 55889000448.
The previous prime is 142303430993. The next prime is 142303431079. The reversal of 142303431040 is 40134303241.
142303431040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (128).
It is a junction number, because it is equal to n+sod(n) for n = 142303430996 and 142303431014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41043387 + ... + 41046853.
It is an arithmetic number, because the mean of its divisors is an integer number (2706080400).
Almost surely, 2142303431040 is an apocalyptic number.
142303431040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142303431040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173189145600).
142303431040 is an abundant number, since it is smaller than the sum of its proper divisors (204074860160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142303431040 is a wasteful number, since it uses less digits than its factorization.
142303431040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4632 (or 4620 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 142303431040 its reverse (40134303241), we get a palindrome (182437734281).
The spelling of 142303431040 in words is "one hundred forty-two billion, three hundred three million, four hundred thirty-one thousand, forty".
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