Base | Representation |
---|---|
bin | 10001001101000… |
… | …00011100110001 |
3 | 101001112211000002 |
4 | 20212200130301 |
5 | 243420441423 |
6 | 22153035345 |
7 | 3401430011 |
oct | 1046403461 |
9 | 331484002 |
10 | 144312113 |
11 | 74507910 |
12 | 403b5b55 |
13 | 23b89caa |
14 | 15247c41 |
15 | ca09228 |
hex | 89a0731 |
144312113 has 4 divisors (see below), whose sum is σ = 157431408. Its totient is φ = 131192820.
The previous prime is 144312079. The next prime is 144312139. The reversal of 144312113 is 311213441.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 144312113 - 214 = 144295729 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144312713) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6559631 + ... + 6559652.
It is an arithmetic number, because the mean of its divisors is an integer number (39357852).
Almost surely, 2144312113 is an apocalyptic number.
It is an amenable number.
144312113 is a deficient number, since it is larger than the sum of its proper divisors (13119295).
144312113 is a wasteful number, since it uses less digits than its factorization.
144312113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13119294.
The product of its digits is 288, while the sum is 20.
The square root of 144312113 is about 12012.9976691915. The cubic root of 144312113 is about 524.5266942127.
Adding to 144312113 its reverse (311213441), we get a palindrome (455525554).
The spelling of 144312113 in words is "one hundred forty-four million, three hundred twelve thousand, one hundred thirteen".
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