Base | Representation |
---|---|
bin | 1000011010000101001… |
… | …1101011011111110100 |
3 | 111210211021201222202220 |
4 | 2012201103223133310 |
5 | 4331303143231234 |
6 | 150204355002340 |
7 | 13302235353114 |
oct | 2064123533764 |
9 | 453737658686 |
10 | 144440211444 |
11 | 56290808781 |
12 | 23bb08993b0 |
13 | 1080b763b49 |
14 | 6dc3213044 |
15 | 3b5594ea49 |
hex | 21a14eb7f4 |
144440211444 has 12 divisors (see below), whose sum is σ = 337027160064. Its totient is φ = 48146737144.
The previous prime is 144440211431. The next prime is 144440211449. The reversal of 144440211444 is 444112044441.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144440211449) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6018342132 + ... + 6018342155.
It is an arithmetic number, because the mean of its divisors is an integer number (28085596672).
Almost surely, 2144440211444 is an apocalyptic number.
It is an amenable number.
144440211444 is an abundant number, since it is smaller than the sum of its proper divisors (192586948620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144440211444 is a wasteful number, since it uses less digits than its factorization.
144440211444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12036684294 (or 12036684292 counting only the distinct ones).
The product of its (nonzero) digits is 32768, while the sum is 33.
Adding to 144440211444 its reverse (444112044441), we get a palindrome (588552255885).
The spelling of 144440211444 in words is "one hundred forty-four billion, four hundred forty million, two hundred eleven thousand, four hundred forty-four".
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