Base | Representation |
---|---|
bin | 10000111101111… |
… | …00100100001011 |
3 | 100220211010020001 |
4 | 20132330210023 |
5 | 242414030443 |
6 | 22042343431 |
7 | 3345533425 |
oct | 1036744413 |
9 | 326733201 |
10 | 142330123 |
11 | 73383801 |
12 | 3b7bab77 |
13 | 23644b10 |
14 | 14c8d815 |
15 | c766d4d |
hex | 87bc90b |
142330123 has 4 divisors (see below), whose sum is σ = 153278608. Its totient is φ = 131381640.
The previous prime is 142330117. The next prime is 142330163. The reversal of 142330123 is 321033241.
142330123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 142330123 - 29 = 142329611 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 142330123.
It is not an unprimeable number, because it can be changed into a prime (142330163) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5474223 + ... + 5474248.
It is an arithmetic number, because the mean of its divisors is an integer number (38319652).
Almost surely, 2142330123 is an apocalyptic number.
142330123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
142330123 is a deficient number, since it is larger than the sum of its proper divisors (10948485).
142330123 is a wasteful number, since it uses less digits than its factorization.
142330123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10948484.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 142330123 is about 11930.2188999196. The cubic root of 142330123 is about 522.1143241816.
Adding to 142330123 its reverse (321033241), we get a palindrome (463363364).
The spelling of 142330123 in words is "one hundred forty-two million, three hundred thirty thousand, one hundred twenty-three".
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