Base | Representation |
---|---|
bin | 10000111110011… |
… | …11011110001011 |
3 | 100220222001110012 |
4 | 20133033132023 |
5 | 242424020223 |
6 | 22044142135 |
7 | 3346305254 |
oct | 1037173613 |
9 | 326861405 |
10 | 142407563 |
11 | 73426a01 |
12 | 3b83794b |
13 | 2367113c |
14 | 14cadb2b |
15 | c77ec78 |
hex | 87cf78b |
142407563 has 2 divisors, whose sum is σ = 142407564. Its totient is φ = 142407562.
The previous prime is 142407553. The next prime is 142407569. The reversal of 142407563 is 365704241.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142407563 is a prime.
It is not a weakly prime, because it can be changed into another prime (142407569) 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, 71203781 + 71203782.
It is an arithmetic number, because the mean of its divisors is an integer number (71203782).
Almost surely, 2142407563 is an apocalyptic number.
142407563 is a deficient number, since it is larger than the sum of its proper divisors (1).
142407563 is an equidigital number, since it uses as much as digits as its factorization.
142407563 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20160, while the sum is 32.
The square root of 142407563 is about 11933.4639983535. The cubic root of 142407563 is about 522.2089989224.
The spelling of 142407563 in words is "one hundred forty-two million, four hundred seven thousand, five hundred sixty-three".
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