Base | Representation |
---|---|
bin | 1000011010110101010… |
… | …0110010011010000111 |
3 | 111211100100010012100210 |
4 | 2012231110302122013 |
5 | 4332211302002422 |
6 | 150240400210503 |
7 | 13310234153652 |
oct | 2065524623207 |
9 | 454310105323 |
10 | 144641828487 |
11 | 563845a5632 |
12 | 24048309a33 |
13 | 10841466180 |
14 | 7001cd6899 |
15 | 3b684c810c |
hex | 21ad532687 |
144641828487 has 32 divisors (see below), whose sum is σ = 212964166912. Its totient is φ = 86777754624.
The previous prime is 144641828477. The next prime is 144641828489. The reversal of 144641828487 is 784828146441.
It is not a de Polignac number, because 144641828487 - 28 = 144641828231 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144641828489) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31873 + ... + 538794.
It is an arithmetic number, because the mean of its divisors is an integer number (6655130216).
Almost surely, 2144641828487 is an apocalyptic number.
144641828487 is a deficient number, since it is larger than the sum of its proper divisors (68322338425).
144641828487 is a wasteful number, since it uses less digits than its factorization.
144641828487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 570847.
The product of its digits is 11010048, while the sum is 57.
The spelling of 144641828487 in words is "one hundred forty-four billion, six hundred forty-one million, eight hundred twenty-eight thousand, four hundred eighty-seven".
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