Base | Representation |
---|---|
bin | 1000011000100001011… |
… | …1111001101110000010 |
3 | 111202202010120221201100 |
4 | 2012020113321232002 |
5 | 4324424100402444 |
6 | 150055052515230 |
7 | 13255665563634 |
oct | 2061027715602 |
9 | 452663527640 |
10 | 144021887874 |
11 | 56096668017 |
12 | 23ab477bb16 |
13 | 10772ba81c7 |
14 | 6d8383ca54 |
15 | 3b2dd6be69 |
hex | 21885f9b82 |
144021887874 has 48 divisors (see below), whose sum is σ = 317441592000. Its totient is φ = 47181694560.
The previous prime is 144021887861. The next prime is 144021887917. The reversal of 144021887874 is 478788120441.
144021887874 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 144021887874.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227377 + ... + 582875.
It is an arithmetic number, because the mean of its divisors is an integer number (6613366500).
Almost surely, 2144021887874 is an apocalyptic number.
144021887874 is an abundant number, since it is smaller than the sum of its proper divisors (173419704126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144021887874 is a wasteful number, since it uses less digits than its factorization.
144021887874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 355895 (or 355892 counting only the distinct ones).
The product of its (nonzero) digits is 3211264, while the sum is 54.
The spelling of 144021887874 in words is "one hundred forty-four billion, twenty-one million, eight hundred eighty-seven thousand, eight hundred seventy-four".
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