Base | Representation |
---|---|
bin | 100111001001111001… |
… | …100110000100110011 |
3 | 11000111222111010011000 |
4 | 213021321212010303 |
5 | 1142100224233433 |
6 | 31151442253043 |
7 | 3015561211152 |
oct | 471171460463 |
9 | 130458433130 |
10 | 42042024243 |
11 | 1691469908a |
12 | 8193957183 |
13 | 3c7015192b |
14 | 206b885599 |
15 | 1160deb113 |
hex | 9c9e66133 |
42042024243 has 8 divisors (see below), whose sum is σ = 62284480400. Its totient is φ = 28028016144.
The previous prime is 42042024229. The next prime is 42042024253. The reversal of 42042024243 is 34242024024.
42042024243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 42042024243 - 212 = 42042020147 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1557112009 = 42042024243 / (4 + 2 + 0 + 4 + 2 + 0 + 2 + 4 + 2 + 4 + 3).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42042024203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778555978 + ... + 778556031.
It is an arithmetic number, because the mean of its divisors is an integer number (7785560050).
Almost surely, 242042024243 is an apocalyptic number.
42042024243 is a deficient number, since it is larger than the sum of its proper divisors (20242456157).
42042024243 is a wasteful number, since it uses less digits than its factorization.
42042024243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1557112018 (or 1557112012 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 27.
Adding to 42042024243 its reverse (34242024024), we get a palindrome (76284048267).
The spelling of 42042024243 in words is "forty-two billion, forty-two million, twenty-four thousand, two hundred forty-three".
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