Base | Representation |
---|---|
bin | 101010111110101… |
… | …0101111101111011 |
3 | 10201111122111211022 |
4 | 1111331111331323 |
5 | 10423142102443 |
6 | 355034053055 |
7 | 50511010550 |
oct | 12575257573 |
9 | 3644574738 |
10 | 1442144123 |
11 | 680064252 |
12 | 342b7a18b |
13 | 19ca16224 |
14 | d9762a27 |
15 | 8691be68 |
hex | 55f55f7b |
1442144123 has 8 divisors (see below), whose sum is σ = 1648462080. Its totient is φ = 1235900520.
The previous prime is 1442144117. The next prime is 1442144129. The reversal of 1442144123 is 3214412441.
It is an interprime number because it is at equal distance from previous prime (1442144117) and next prime (1442144129).
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 1442144123 - 26 = 1442144059 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1442144092 and 1442144101.
It is not an unprimeable number, because it can be changed into a prime (1442144129) 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, 32258 + ... + 62648.
It is an arithmetic number, because the mean of its divisors is an integer number (206057760).
Almost surely, 21442144123 is an apocalyptic number.
1442144123 is a deficient number, since it is larger than the sum of its proper divisors (206317957).
1442144123 is an equidigital number, since it uses as much as digits as its factorization.
1442144123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37177.
The product of its digits is 3072, while the sum is 26.
The square root of 1442144123 is about 37975.5727145754. The cubic root of 1442144123 is about 1129.8034280983.
Adding to 1442144123 its reverse (3214412441), we get a palindrome (4656556564).
The spelling of 1442144123 in words is "one billion, four hundred forty-two million, one hundred forty-four thousand, one hundred twenty-three".
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