Base | Representation |
---|---|
bin | 10000111100010… |
… | …00010010110111 |
3 | 100220102020112102 |
4 | 20132020102313 |
5 | 242340203043 |
6 | 22034012315 |
7 | 3343652300 |
oct | 1036102267 |
9 | 326366472 |
10 | 142116023 |
11 | 73247965 |
12 | 3b71709b |
13 | 2359b52a |
14 | 14c357a7 |
15 | c7236b8 |
hex | 87884b7 |
142116023 has 12 divisors (see below), whose sum is σ = 167415840. Its totient is φ = 120268512.
The previous prime is 142116017. The next prime is 142116041. The reversal of 142116023 is 320611241.
It is a de Polignac number, because none of the positive numbers 2k-142116023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142115986 and 142116004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142116043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14486 + ... + 22227.
It is an arithmetic number, because the mean of its divisors is an integer number (13951320).
Almost surely, 2142116023 is an apocalyptic number.
142116023 is a deficient number, since it is larger than the sum of its proper divisors (25299817).
142116023 is an equidigital number, since it uses as much as digits as its factorization.
142116023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36806 (or 36799 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 142116023 is about 11921.2425107453. The cubic root of 142116023 is about 521.8523960855.
Adding to 142116023 its reverse (320611241), we get a palindrome (462727264).
The spelling of 142116023 in words is "one hundred forty-two million, one hundred sixteen thousand, twenty-three".
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