Base | Representation |
---|---|
bin | 10001001101000… |
… | …11000111000101 |
3 | 101001120100221210 |
4 | 20212203013011 |
5 | 243421314023 |
6 | 22153202033 |
7 | 3401503542 |
oct | 1046430705 |
9 | 331510853 |
10 | 144323013 |
11 | 7451501a |
12 | 40400319 |
13 | 23b91c43 |
14 | 1524bbc9 |
15 | ca0c593 |
hex | 89a31c5 |
144323013 has 8 divisors (see below), whose sum is σ = 203750208. Its totient is φ = 90555584.
The previous prime is 144323009. The next prime is 144323029. The reversal of 144323013 is 310323441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144323013 - 22 = 144323009 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144323033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414881 + ... + 1414982.
It is an arithmetic number, because the mean of its divisors is an integer number (25468776).
Almost surely, 2144323013 is an apocalyptic number.
It is an amenable number.
144323013 is a deficient number, since it is larger than the sum of its proper divisors (59427195).
144323013 is a wasteful number, since it uses less digits than its factorization.
144323013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2829883.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 144323013 is about 12013.4513358984. The cubic root of 144323013 is about 524.5398998425.
Adding to 144323013 its reverse (310323441), we get a palindrome (454646454).
The spelling of 144323013 in words is "one hundred forty-four million, three hundred twenty-three thousand, thirteen".
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