Base | Representation |
---|---|
bin | 100111001010000101… |
… | …101111111000010101 |
3 | 11000112012110222100221 |
4 | 213022011233320111 |
5 | 1142102033211013 |
6 | 31152034434341 |
7 | 3015630250363 |
oct | 471205577025 |
9 | 130465428327 |
10 | 42045210133 |
11 | 16916474753 |
12 | 8194a329b1 |
13 | 3c709c8a84 |
14 | 206c074633 |
15 | 116132a08d |
hex | 9ca16fe15 |
42045210133 has 4 divisors (see below), whose sum is σ = 42939789120. Its totient is φ = 41150631148.
The previous prime is 42045210113. The next prime is 42045210149. The reversal of 42045210133 is 33101254024.
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 42045210133 - 217 = 42045079061 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42045210098 and 42045210107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42045210113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447289423 + ... + 447289516.
It is an arithmetic number, because the mean of its divisors is an integer number (10734947280).
Almost surely, 242045210133 is an apocalyptic number.
It is an amenable number.
42045210133 is a deficient number, since it is larger than the sum of its proper divisors (894578987).
42045210133 is an equidigital number, since it uses as much as digits as its factorization.
42045210133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 894578986.
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 42045210133 its reverse (33101254024), we get a palindrome (75146464157).
The spelling of 42045210133 in words is "forty-two billion, forty-five million, two hundred ten thousand, one hundred thirty-three".
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