Base | Representation |
---|---|
bin | 10000111101110… |
… | …10110101001111 |
3 | 100220210202111002 |
4 | 20132322311033 |
5 | 242413314043 |
6 | 22042250515 |
7 | 3345503633 |
oct | 1036726517 |
9 | 326722432 |
10 | 142323023 |
11 | 73379437 |
12 | 3b7b6a3b |
13 | 2364180b |
14 | 14c8adc3 |
15 | c764bb8 |
hex | 87bad4f |
142323023 has 2 divisors, whose sum is σ = 142323024. Its totient is φ = 142323022.
The previous prime is 142323019. The next prime is 142323029. The reversal of 142323023 is 320323241.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 142323023 - 22 = 142323019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 142322986 and 142323004.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142323029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71161511 + 71161512.
It is an arithmetic number, because the mean of its divisors is an integer number (71161512).
Almost surely, 2142323023 is an apocalyptic number.
142323023 is a deficient number, since it is larger than the sum of its proper divisors (1).
142323023 is an equidigital number, since it uses as much as digits as its factorization.
142323023 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 142323023 is about 11929.9213325151. The cubic root of 142323023 is about 522.1056423151.
Adding to 142323023 its reverse (320323241), we get a palindrome (462646264).
The spelling of 142323023 in words is "one hundred forty-two million, three hundred twenty-three thousand, twenty-three".
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