Base | Representation |
---|---|
bin | 100111001111110111… |
… | …100001011100101111 |
3 | 11000202221212202001101 |
4 | 213033313201130233 |
5 | 1142301342104203 |
6 | 31205420223531 |
7 | 3021215213320 |
oct | 471767413457 |
9 | 130687782041 |
10 | 42142144303 |
11 | 16966161836 |
12 | 820139aba7 |
13 | 3c87b07c7c |
14 | 207aca8447 |
15 | 1169ac641d |
hex | 9cfde172f |
42142144303 has 4 divisors (see below), whose sum is σ = 48162450640. Its totient is φ = 36121837968.
The previous prime is 42142144259. The next prime is 42142144313. The reversal of 42142144303 is 30344124124.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 42142144303 - 225 = 42108589871 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 (42142144313) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3010153158 + ... + 3010153171.
It is an arithmetic number, because the mean of its divisors is an integer number (12040612660).
Almost surely, 242142144303 is an apocalyptic number.
42142144303 is a deficient number, since it is larger than the sum of its proper divisors (6020306337).
42142144303 is an equidigital number, since it uses as much as digits as its factorization.
42142144303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6020306336.
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 42142144303 its reverse (30344124124), we get a palindrome (72486268427).
The spelling of 42142144303 in words is "forty-two billion, one hundred forty-two million, one hundred forty-four thousand, three hundred three".
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