Base | Representation |
---|---|
bin | 100111011110000011… |
… | …010001101111000001 |
3 | 11001101112122111002002 |
4 | 213132003101233001 |
5 | 1143243301403224 |
6 | 31245200433345 |
7 | 3030134651234 |
oct | 473603215701 |
9 | 131345574062 |
10 | 42380106689 |
11 | 16a78513468 |
12 | 8269018855 |
13 | 3cc51c450b |
14 | 20a072d41b |
15 | 118092d9ae |
hex | 9de0d1bc1 |
42380106689 has 4 divisors (see below), whose sum is σ = 44610638640. Its totient is φ = 40149574740.
The previous prime is 42380106683. The next prime is 42380106721. The reversal of 42380106689 is 98660108324.
42380106689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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-42380106689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42380106683) 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, 1115265947 + ... + 1115265984.
It is an arithmetic number, because the mean of its divisors is an integer number (11152659660).
Almost surely, 242380106689 is an apocalyptic number.
It is an amenable number.
42380106689 is a deficient number, since it is larger than the sum of its proper divisors (2230531951).
42380106689 is a wasteful number, since it uses less digits than its factorization.
42380106689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2230531950.
The product of its (nonzero) digits is 497664, while the sum is 47.
The spelling of 42380106689 in words is "forty-two billion, three hundred eighty million, one hundred six thousand, six hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •