Base | Representation |
---|---|
bin | 100111010100000101… |
… | …110100011100101001 |
3 | 11000221220012122011112 |
4 | 213110011310130221 |
5 | 1142423012013001 |
6 | 31220431040105 |
7 | 3023035405523 |
oct | 472405643451 |
9 | 130856178145 |
10 | 42213001001 |
11 | 169a2158496 |
12 | 8221070035 |
13 | 3c996b6702 |
14 | 2086470a13 |
15 | 1170e20cbb |
hex | 9d4174729 |
42213001001 has 4 divisors (see below), whose sum is σ = 43009472772. Its totient is φ = 41416529232.
The previous prime is 42213000953. The next prime is 42213001063. The reversal of 42213001001 is 10010031224.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 30993954601 + 11219046400 = 176051^2 + 105920^2 .
It is a cyclic number.
It is not a de Polignac number, because 42213001001 - 226 = 42145892137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42213000001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398235806 + ... + 398235911.
It is an arithmetic number, because the mean of its divisors is an integer number (10752368193).
Almost surely, 242213001001 is an apocalyptic number.
It is an amenable number.
42213001001 is a deficient number, since it is larger than the sum of its proper divisors (796471771).
42213001001 is an equidigital number, since it uses as much as digits as its factorization.
42213001001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 796471770.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 42213001001 its reverse (10010031224), we get a palindrome (52223032225).
The spelling of 42213001001 in words is "forty-two billion, two hundred thirteen million, one thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •