Base | Representation |
---|---|
bin | 100010000110000… |
… | …1011001110110111 |
3 | 2221201201101011121 |
4 | 1010030023032313 |
5 | 4320333324143 |
6 | 305304444411 |
7 | 40231125436 |
oct | 10414131667 |
9 | 2851641147 |
10 | 1144042423 |
11 | 537867007 |
12 | 27b179707 |
13 | 1530314a4 |
14 | abd2511d |
15 | 6a6857ed |
hex | 4430b3b7 |
1144042423 has 8 divisors (see below), whose sum is σ = 1149497856. Its totient is φ = 1138599000.
The previous prime is 1144042411. The next prime is 1144042429. The reversal of 1144042423 is 3242404411.
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 1144042423 - 213 = 1144034231 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 (1144042429) 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, 228598 + ... + 233548.
It is an arithmetic number, because the mean of its divisors is an integer number (143687232).
Almost surely, 21144042423 is an apocalyptic number.
1144042423 is a deficient number, since it is larger than the sum of its proper divisors (5455433).
1144042423 is an equidigital number, since it uses as much as digits as its factorization.
1144042423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6005.
The product of its (nonzero) digits is 3072, while the sum is 25.
The square root of 1144042423 is about 33823.6961759060. The cubic root of 1144042423 is about 1045.8772341347.
Adding to 1144042423 its reverse (3242404411), we get a palindrome (4386446834).
The spelling of 1144042423 in words is "one billion, one hundred forty-four million, forty-two thousand, four hundred twenty-three".
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