Base | Representation |
---|---|
bin | 1101110111001100… |
… | …11010111010001100 |
3 | 201012200010222211201 |
4 | 12323212122322030 |
5 | 110220222102010 |
6 | 3230255555244 |
7 | 352300113103 |
oct | 67346327214 |
9 | 21180128751 |
10 | 7442378380 |
11 | 317a035038 |
12 | 153852bb24 |
13 | 917b647b8 |
14 | 5085d303a |
15 | 2d859e23a |
hex | 1bb99ae8c |
7442378380 has 48 divisors (see below), whose sum is σ = 15748992000. Its totient is φ = 2954157248.
The previous prime is 7442378353. The next prime is 7442378417. The reversal of 7442378380 is 838732447.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 7442378380.
It is an unprimeable number.
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, 2480121 + ... + 2483119.
It is an arithmetic number, because the mean of its divisors is an integer number (328104000).
Almost surely, 27442378380 is an apocalyptic number.
It is an amenable number.
7442378380 is an abundant number, since it is smaller than the sum of its proper divisors (8306613620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7442378380 is a wasteful number, since it uses less digits than its factorization.
7442378380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3918 (or 3916 counting only the distinct ones).
The product of its (nonzero) digits is 903168, while the sum is 46.
The square root of 7442378380 is about 86269.2203511774. The cubic root of 7442378380 is about 1952.4080161794.
The spelling of 7442378380 in words is "seven billion, four hundred forty-two million, three hundred seventy-eight thousand, three hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •