Base | Representation |
---|---|
bin | 100111100111101101… |
… | …111111101110010101 |
3 | 11001210211211202112201 |
4 | 213213231333232111 |
5 | 1144111312100203 |
6 | 31313233044501 |
7 | 3034144404211 |
oct | 474755775625 |
9 | 131724752481 |
10 | 42542300053 |
11 | 17051023770 |
12 | 82b33b6731 |
13 | 401c9a2416 |
14 | 20b80ad941 |
15 | 118ecbae1d |
hex | 9e7b7fb95 |
42542300053 has 4 divisors (see below), whose sum is σ = 46409781888. Its totient is φ = 38674818220.
The previous prime is 42542300011. The next prime is 42542300081. The reversal of 42542300053 is 35000324524.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42542300053 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42542299994 and 42542300030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42542300093) 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, 1933740901 + ... + 1933740922.
It is an arithmetic number, because the mean of its divisors is an integer number (11602445472).
Almost surely, 242542300053 is an apocalyptic number.
It is an amenable number.
42542300053 is a deficient number, since it is larger than the sum of its proper divisors (3867481835).
42542300053 is a wasteful number, since it uses less digits than its factorization.
42542300053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3867481834.
The product of its (nonzero) digits is 14400, while the sum is 28.
Adding to 42542300053 its reverse (35000324524), we get a palindrome (77542624577).
The spelling of 42542300053 in words is "forty-two billion, five hundred forty-two million, three hundred thousand, fifty-three".
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