Base | Representation |
---|---|
bin | 1000010010010000100… |
… | …0000011110001010111 |
3 | 111121101220211212022122 |
4 | 2010210020003301113 |
5 | 4313003020410033 |
6 | 145220132250155 |
7 | 13166214102026 |
oct | 2044410036127 |
9 | 447356755278 |
10 | 142340013143 |
11 | 554032546a9 |
12 | 2370547095b |
13 | 10565606963 |
14 | 6c643148bd |
15 | 3a81398a98 |
hex | 2124203c57 |
142340013143 has 4 divisors (see below), whose sum is σ = 142715580840. Its totient is φ = 141964445448.
The previous prime is 142340013121. The next prime is 142340013241. The reversal of 142340013143 is 341310043241.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341310043241 = 41 ⋅8324635201.
It is a cyclic number.
It is not a de Polignac number, because 142340013143 - 28 = 142340012887 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142340010143) 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, 187783280 + ... + 187784037.
It is an arithmetic number, because the mean of its divisors is an integer number (35678895210).
Almost surely, 2142340013143 is an apocalyptic number.
142340013143 is a deficient number, since it is larger than the sum of its proper divisors (375567697).
142340013143 is an equidigital number, since it uses as much as digits as its factorization.
142340013143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 375567696.
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 142340013143 its reverse (341310043241), we get a palindrome (483650056384).
The spelling of 142340013143 in words is "one hundred forty-two billion, three hundred forty million, thirteen thousand, one hundred forty-three".
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