Base | Representation |
---|---|
bin | 1000011010011110000… |
… | …0111001100100010000 |
3 | 111211002112200021121222 |
4 | 2012213200321210100 |
5 | 4332011322341430 |
6 | 150222554504212 |
7 | 13304641422446 |
oct | 2064740714420 |
9 | 454075607558 |
10 | 144544340240 |
11 | 5633456a233 |
12 | 2401b735068 |
13 | 108271c1a11 |
14 | 6dd2d9ab96 |
15 | 3b5eb6c9e5 |
hex | 21a7839910 |
144544340240 has 20 divisors (see below), whose sum is σ = 336065591244. Its totient is φ = 57817736064.
The previous prime is 144544340219. The next prime is 144544340257. The reversal of 144544340240 is 42043445441.
It can be written as a sum of positive squares in 2 ways, for example, as 76744512784 + 67799827456 = 277028^2 + 260384^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a self number, because there is not a number n which added to its sum of digits gives 144544340240.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903402047 + ... + 903402206.
Almost surely, 2144544340240 is an apocalyptic number.
144544340240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144544340240 is an abundant number, since it is smaller than the sum of its proper divisors (191521251004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144544340240 is a wasteful number, since it uses less digits than its factorization.
144544340240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1806804266 (or 1806804260 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 35.
Adding to 144544340240 its reverse (42043445441), we get a palindrome (186587785681).
The spelling of 144544340240 in words is "one hundred forty-four billion, five hundred forty-four million, three hundred forty thousand, two hundred forty".
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