Base | Representation |
---|---|
bin | 10001001011101… |
… | …00111011110111 |
3 | 101001012202111211 |
4 | 20211310323313 |
5 | 243344241004 |
6 | 22145142251 |
7 | 3400055251 |
oct | 1045647367 |
9 | 331182454 |
10 | 144133879 |
11 | 743a5a0a |
12 | 4032a987 |
13 | 23b26b26 |
14 | 151dccd1 |
15 | c9c1504 |
hex | 8974ef7 |
144133879 has 6 divisors (see below), whose sum is σ = 145237064. Its totient is φ = 143032800.
The previous prime is 144133853. The next prime is 144133919. The reversal of 144133879 is 978331441.
It is not a de Polignac number, because 144133879 - 223 = 135745271 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 (144133079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147039 + ... + 148015.
Almost surely, 2144133879 is an apocalyptic number.
144133879 is a deficient number, since it is larger than the sum of its proper divisors (1103185).
144133879 is an frugal number, since it uses more digits than its factorization.
144133879 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2105 (or 1128 counting only the distinct ones).
The product of its digits is 72576, while the sum is 40.
The square root of 144133879 is about 12005.5769957133. The cubic root of 144133879 is about 524.3106647488.
The spelling of 144133879 in words is "one hundred forty-four million, one hundred thirty-three thousand, eight hundred seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •