Base | Representation |
---|---|
bin | 1000010001100001110… |
… | …0110111011011110000 |
3 | 111120220021021112022022 |
4 | 2010120130313123300 |
5 | 4312102400003130 |
6 | 145144454131012 |
7 | 13161315156236 |
oct | 2043034673360 |
9 | 446807245268 |
10 | 142144141040 |
11 | 55312731030 |
12 | 2366b950a68 |
13 | 10533b664c5 |
14 | 6c462c8956 |
15 | 3a6e0a77e5 |
hex | 21187376f0 |
142144141040 has 160 divisors (see below), whose sum is σ = 363126758400. Its totient is φ = 51317826560.
The previous prime is 142144141019. The next prime is 142144141099. The reversal of 142144141040 is 40141441241.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88123274 + ... + 88124886.
It is an arithmetic number, because the mean of its divisors is an integer number (2269542240).
Almost surely, 2142144141040 is an apocalyptic number.
142144141040 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 142144141040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181563379200).
142144141040 is an abundant number, since it is smaller than the sum of its proper divisors (220982617360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142144141040 is a wasteful number, since it uses less digits than its factorization.
142144141040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2295 (or 2289 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 26.
Adding to 142144141040 its reverse (40141441241), we get a palindrome (182285582281).
The spelling of 142144141040 in words is "one hundred forty-two billion, one hundred forty-four million, one hundred forty-one thousand, forty".
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