Base | Representation |
---|---|
bin | 101010111110011… |
… | …1000011011010011 |
3 | 10201111102100211211 |
4 | 1111330320123103 |
5 | 10423124214443 |
6 | 355031320551 |
7 | 50506665022 |
oct | 12574703323 |
9 | 3644370754 |
10 | 1442023123 |
11 | 67aa91352 |
12 | 342b20157 |
13 | 19c9a3128 |
14 | d97308b9 |
15 | 868e619d |
hex | 55f386d3 |
1442023123 has 8 divisors (see below), whose sum is σ = 1466972640. Its totient is φ = 1417268160.
The previous prime is 1442023091. The next prime is 1442023127. The reversal of 1442023123 is 3213202441.
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 1442023123 - 25 = 1442023091 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1442023094 and 1442023103.
It is not an unprimeable number, because it can be changed into a prime (1442023127) 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, 33648 + ... + 63373.
It is an arithmetic number, because the mean of its divisors is an integer number (183371580).
Almost surely, 21442023123 is an apocalyptic number.
1442023123 is a deficient number, since it is larger than the sum of its proper divisors (24949517).
1442023123 is an equidigital number, since it uses as much as digits as its factorization.
1442023123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97277.
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 1442023123 is about 37973.9795517931. The cubic root of 1442023123 is about 1129.7718293059.
Adding to 1442023123 its reverse (3213202441), we get a palindrome (4655225564).
The spelling of 1442023123 in words is "one billion, four hundred forty-two million, twenty-three thousand, one hundred twenty-three".
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