Base | Representation |
---|---|
bin | 100111010101110101… |
… | …010100111011001101 |
3 | 11001000221012201120121 |
4 | 213111311110323031 |
5 | 1143003002411023 |
6 | 31223353344541 |
7 | 3023542022242 |
oct | 472565247315 |
9 | 131027181517 |
10 | 42242232013 |
11 | 16a07703153 |
12 | 822aa08151 |
13 | 3ca277c677 |
14 | 208a2bd5c9 |
15 | 1173796d5d |
hex | 9d5d54ecd |
42242232013 has 4 divisors (see below), whose sum is σ = 42281094400. Its totient is φ = 42203369628.
The previous prime is 42242231959. The next prime is 42242232023. The reversal of 42242232013 is 31023224224.
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 not a de Polignac number, because 42242232013 - 229 = 41705361101 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 (42242232023) 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, 19429563 + ... + 19431736.
It is an arithmetic number, because the mean of its divisors is an integer number (10570273600).
Almost surely, 242242232013 is an apocalyptic number.
It is an amenable number.
42242232013 is a deficient number, since it is larger than the sum of its proper divisors (38862387).
42242232013 is a wasteful number, since it uses less digits than its factorization.
42242232013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38862386.
The product of its (nonzero) digits is 4608, while the sum is 25.
Adding to 42242232013 its reverse (31023224224), we get a palindrome (73265456237).
The spelling of 42242232013 in words is "forty-two billion, two hundred forty-two million, two hundred thirty-two thousand, thirteen".
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