Base | Representation |
---|---|
bin | 100111010100101011… |
… | …100100111011000001 |
3 | 11000222120211111111200 |
4 | 213110223210323001 |
5 | 1142433030231011 |
6 | 31221423131413 |
7 | 3023215501362 |
oct | 472453447301 |
9 | 130876744450 |
10 | 42222898881 |
11 | 169a77a8959 |
12 | 8224443b69 |
13 | 3c9b770947 |
14 | 20878c9b69 |
15 | 1171c28856 |
hex | 9d4ae4ec1 |
42222898881 has 6 divisors (see below), whose sum is σ = 60988631730. Its totient is φ = 28148599248.
The previous prime is 42222898867. The next prime is 42222898909. The reversal of 42222898881 is 18889822224.
42222898881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 35268840000 + 6954058881 = 187800^2 + 83391^2 .
It is not a de Polignac number, because 42222898881 - 214 = 42222882497 is a prime.
It is a super-2 number, since 2×422228988812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (42222898981) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2345716596 + ... + 2345716613.
It is an arithmetic number, because the mean of its divisors is an integer number (10164771955).
Almost surely, 242222898881 is an apocalyptic number.
It is an amenable number.
42222898881 is a deficient number, since it is larger than the sum of its proper divisors (18765732849).
42222898881 is a wasteful number, since it uses less digits than its factorization.
42222898881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4691433215 (or 4691433212 counting only the distinct ones).
The product of its digits is 2359296, while the sum is 54.
The spelling of 42222898881 in words is "forty-two billion, two hundred twenty-two million, eight hundred ninety-eight thousand, eight hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •