Base | Representation |
---|---|
bin | 1000011010000010110… |
… | …0001111011011101010 |
3 | 111210210120021201220220 |
4 | 2012200230033123222 |
5 | 4331243021412444 |
6 | 150203345230510 |
7 | 13302051443400 |
oct | 2064054173352 |
9 | 453716251826 |
10 | 144429872874 |
11 | 56285997201 |
12 | 23ba9332436 |
13 | 10809584151 |
14 | 6dc1ac1470 |
15 | 3b54aab619 |
hex | 21a0b0f6ea |
144429872874 has 96 divisors (see below), whose sum is σ = 341920097856. Its totient is φ = 40542727680.
The previous prime is 144429872869. The next prime is 144429872887. The reversal of 144429872874 is 478278924441.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17517397 + ... + 17525639.
It is an arithmetic number, because the mean of its divisors is an integer number (3561667686).
Almost surely, 2144429872874 is an apocalyptic number.
144429872874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 144429872874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170960048928).
144429872874 is an abundant number, since it is smaller than the sum of its proper divisors (197490224982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144429872874 is a wasteful number, since it uses less digits than its factorization.
144429872874 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9300 (or 9293 counting only the distinct ones).
The product of its digits is 28901376, while the sum is 60.
The spelling of 144429872874 in words is "one hundred forty-four billion, four hundred twenty-nine million, eight hundred seventy-two thousand, eight hundred seventy-four".
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