Base | Representation |
---|---|
bin | 10001001100010… |
… | …00010000010101 |
3 | 101001100210001201 |
4 | 20212020100111 |
5 | 243404304023 |
6 | 22150552501 |
7 | 3400535050 |
oct | 1046102025 |
9 | 331323051 |
10 | 144213013 |
11 | 7444a40a |
12 | 40368731 |
13 | 23b53b59 |
14 | 1521da97 |
15 | c9d9bad |
hex | 8988415 |
144213013 has 32 divisors (see below), whose sum is σ = 181057536. Its totient is φ = 112166208.
The previous prime is 144213007. The next prime is 144213067. The reversal of 144213013 is 310312441.
It is not a de Polignac number, because 144213013 - 29 = 144212501 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 (144213313) 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, 255870 + ... + 256432.
It is an arithmetic number, because the mean of its divisors is an integer number (5658048).
Almost surely, 2144213013 is an apocalyptic number.
It is an amenable number.
144213013 is a deficient number, since it is larger than the sum of its proper divisors (36844523).
144213013 is a wasteful number, since it uses less digits than its factorization.
144213013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 673.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 144213013 is about 12008.8722617904. The cubic root of 144213013 is about 524.4066015022.
Adding to 144213013 its reverse (310312441), we get a palindrome (454525454).
The spelling of 144213013 in words is "one hundred forty-four million, two hundred thirteen thousand, thirteen".
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