Base | Representation |
---|---|
bin | 1000011000111001001… |
… | …0010111110010000100 |
3 | 111210000001021112011000 |
4 | 2012032102113302010 |
5 | 4330130000221234 |
6 | 150112555213300 |
7 | 13261312102215 |
oct | 2061622276204 |
9 | 453001245130 |
10 | 144121101444 |
11 | 56137671701 |
12 | 23b21a47230 |
13 | 1078a604a68 |
14 | 6d92aa740c |
15 | 3b37918899 |
hex | 218e497c84 |
144121101444 has 48 divisors (see below), whose sum is σ = 374099342400. Its totient is φ = 47982247488.
The previous prime is 144121101431. The next prime is 144121101493. The reversal of 144121101444 is 444101121441.
144121101444 is a `hidden beast` number, since 1 + 4 + 4 + 1 + 211 + 0 + 1 + 444 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717489 + ... + 896120.
It is an arithmetic number, because the mean of its divisors is an integer number (7793736300).
Almost surely, 2144121101444 is an apocalyptic number.
It is an amenable number.
144121101444 is an abundant number, since it is smaller than the sum of its proper divisors (229978240956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144121101444 is a wasteful number, since it uses less digits than its factorization.
144121101444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1614449 (or 1614441 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 27.
Adding to 144121101444 its reverse (444101121441), we get a palindrome (588222222885).
The spelling of 144121101444 in words is "one hundred forty-four billion, one hundred twenty-one million, one hundred one thousand, four hundred forty-four".
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