Base | Representation |
---|---|
bin | 10001001010111… |
… | …01111100011111 |
3 | 101001000222100010 |
4 | 20211131330133 |
5 | 243333232321 |
6 | 22143134303 |
7 | 3366213564 |
oct | 1045357437 |
9 | 331028303 |
10 | 144039711 |
11 | 74341192 |
12 | 402a4393 |
13 | 23ac2cca |
14 | 151b686b |
15 | c9a3676 |
hex | 895df1f |
144039711 has 4 divisors (see below), whose sum is σ = 192052952. Its totient is φ = 96026472.
The previous prime is 144039661. The next prime is 144039739. The reversal of 144039711 is 117930441.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117930441 = 3 ⋅39310147.
It is not a de Polignac number, because 144039711 - 213 = 144031519 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 (144039761) 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 3 ways as a sum of consecutive naturals, for example, 24006616 + ... + 24006621.
It is an arithmetic number, because the mean of its divisors is an integer number (48013238).
Almost surely, 2144039711 is an apocalyptic number.
144039711 is a deficient number, since it is larger than the sum of its proper divisors (48013241).
144039711 is an equidigital number, since it uses as much as digits as its factorization.
144039711 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48013240.
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 144039711 is about 12001.6545109414. The cubic root of 144039711 is about 524.1964560160.
The spelling of 144039711 in words is "one hundred forty-four million, thirty-nine thousand, seven hundred eleven".
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