Base | Representation |
---|---|
bin | 100111101001101001… |
… | …000111001101101010 |
3 | 11001220002120110200110 |
4 | 213221221013031222 |
5 | 1144143042340232 |
6 | 31320344515150 |
7 | 3035015624511 |
oct | 475151071552 |
9 | 131802513613 |
10 | 42574574442 |
11 | 17068267a14 |
12 | 830217bab6 |
13 | 40265926aa |
14 | 20bc4b1678 |
15 | 1192a43acc |
hex | 9e9a4736a |
42574574442 has 32 divisors (see below), whose sum is σ = 88908295680. Its totient is φ = 13565792240.
The previous prime is 42574574431. The next prime is 42574574447. The reversal of 42574574442 is 24447547524.
It is a happy number.
It is a super-2 number, since 2×425745744422 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 42574574391 and 42574574400.
It is not an unprimeable number, because it can be changed into a prime (42574574447) 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 15 ways as a sum of consecutive naturals, for example, 118609 + ... + 314987.
It is an arithmetic number, because the mean of its divisors is an integer number (2778384240).
Almost surely, 242574574442 is an apocalyptic number.
42574574442 is an abundant number, since it is smaller than the sum of its proper divisors (46333721238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42574574442 is a wasteful number, since it uses less digits than its factorization.
42574574442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197978.
The product of its digits is 5017600, while the sum is 48.
The spelling of 42574574442 in words is "forty-two billion, five hundred seventy-four million, five hundred seventy-four thousand, four hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •