Base | Representation |
---|---|
bin | 1000011001010101111… |
… | …1101001110000000111 |
3 | 111210022110210222221010 |
4 | 2012111133221300013 |
5 | 4330401424222211 |
6 | 150132555053303 |
7 | 13264310653362 |
oct | 2062537516007 |
9 | 453273728833 |
10 | 144242023431 |
11 | 56199953130 |
12 | 23b56441233 |
13 | 107a969252c |
14 | 6da4b830d9 |
15 | 3b433524a6 |
hex | 21957e9c07 |
144242023431 has 16 divisors (see below), whose sum is σ = 210029586048. Its totient is φ = 87326488800.
The previous prime is 144242023399. The next prime is 144242023447. The reversal of 144242023431 is 134320242441.
144242023431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 144242023431 - 25 = 144242023399 is a prime.
It is a super-2 number, since 2×1442420234312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144242023931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2291461 + ... + 2353566.
It is an arithmetic number, because the mean of its divisors is an integer number (13126849128).
Almost surely, 2144242023431 is an apocalyptic number.
144242023431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
144242023431 is a deficient number, since it is larger than the sum of its proper divisors (65787562617).
144242023431 is a wasteful number, since it uses less digits than its factorization.
144242023431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4645982.
The product of its (nonzero) digits is 18432, while the sum is 30.
Adding to 144242023431 its reverse (134320242441), we get a palindrome (278562265872).
The spelling of 144242023431 in words is "one hundred forty-four billion, two hundred forty-two million, twenty-three thousand, four hundred thirty-one".
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