Base | Representation |
---|---|
bin | 1000011010010101111… |
… | …1000110010000100001 |
3 | 111211000011122112201112 |
4 | 2012211133012100201 |
5 | 4331424120013010 |
6 | 150215341313105 |
7 | 13304046253235 |
oct | 2064537062041 |
9 | 454004575645 |
10 | 144510313505 |
11 | 56317339468 |
12 | 24010265795 |
13 | 10820139c5c |
14 | 6dcc6605c5 |
15 | 3b5bb9aa05 |
hex | 21a57c6421 |
144510313505 has 4 divisors (see below), whose sum is σ = 173412376212. Its totient is φ = 115608250800.
The previous prime is 144510313501. The next prime is 144510313531. The reversal of 144510313505 is 505313015441.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505313015441 = 13 ⋅38870231957.
It can be written as a sum of positive squares in 2 ways, for example, as 37984450816 + 106525862689 = 194896^2 + 326383^2 .
It is not a de Polignac number, because 144510313505 - 22 = 144510313501 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144510313501) 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, 14451031346 + ... + 14451031355.
It is an arithmetic number, because the mean of its divisors is an integer number (43353094053).
Almost surely, 2144510313505 is an apocalyptic number.
It is an amenable number.
144510313505 is a deficient number, since it is larger than the sum of its proper divisors (28902062707).
144510313505 is an equidigital number, since it uses as much as digits as its factorization.
144510313505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28902062706.
The product of its (nonzero) digits is 18000, while the sum is 32.
Adding to 144510313505 its reverse (505313015441), we get a palindrome (649823328946).
The spelling of 144510313505 in words is "one hundred forty-four billion, five hundred ten million, three hundred thirteen thousand, five hundred five".
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