Base | Representation |
---|---|
bin | 1111110101100000011… |
… | …01100011001110000101 |
3 | 1221000110210221210111100 |
4 | 13322300031203032011 |
5 | 32403330242041240 |
6 | 1053544415330313 |
7 | 54211566366435 |
oct | 7726015431605 |
9 | 1830423853440 |
10 | 544122221445 |
11 | 19a840899520 |
12 | 89555520999 |
13 | 3c406245b0a |
14 | 1c49b07c2c5 |
15 | e249483e30 |
hex | 7eb0363385 |
544122221445 has 192 divisors, whose sum is σ = 1125769881600. Its totient is φ = 240234232320.
The previous prime is 544122221443. The next prime is 544122221491.
544122221445 is a `hidden beast` number, since 5 + 4 + 412 + 22 + 214 + 4 + 5 = 666.
544122221445 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 544122221445 - 21 = 544122221443 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (544122221441) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 28873336 + ... + 28892174.
It is an arithmetic number, because the mean of its divisors is an integer number (5863384800).
Almost surely, 2544122221445 is an apocalyptic number.
544122221445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
544122221445 is an abundant number, since it is smaller than the sum of its proper divisors (581647660155).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
544122221445 is a wasteful number, since it uses less digits than its factorization.
544122221445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19000 (or 18997 counting only the distinct ones).
The product of its digits is 102400, while the sum is 36.
It can be divided in two parts, 544122 and 221445, that added together give a palindrome (765567).
The spelling of 544122221445 in words is "five hundred forty-four billion, one hundred twenty-two million, two hundred twenty-one thousand, four hundred forty-five".
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