Base | Representation |
---|---|
bin | 100111100001111000… |
… | …001010011100101000 |
3 | 11001120000102221122122 |
4 | 213201320022130220 |
5 | 1143411220131440 |
6 | 31255412410412 |
7 | 3031544421023 |
oct | 474170123450 |
9 | 131500387578 |
10 | 42444302120 |
11 | 1700077a440 |
12 | 8286616a08 |
13 | 40055acc8c |
14 | 20a90801ba |
15 | 11863ae7b5 |
hex | 9e1e0a728 |
42444302120 has 128 divisors (see below), whose sum is σ = 109048135680. Its totient is φ = 14717472000.
The previous prime is 42444302093. The next prime is 42444302123. The reversal of 42444302120 is 2120344424.
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 42444302120.
It is not an unprimeable number, because it can be changed into a prime (42444302123) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3343385 + ... + 3356055.
It is an arithmetic number, because the mean of its divisors is an integer number (851938560).
Almost surely, 242444302120 is an apocalyptic number.
42444302120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42444302120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54524067840).
42444302120 is an abundant number, since it is smaller than the sum of its proper divisors (66603833560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42444302120 is a wasteful number, since it uses less digits than its factorization.
42444302120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13047 (or 13043 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 26.
Adding to 42444302120 its reverse (2120344424), we get a palindrome (44564646544).
The spelling of 42444302120 in words is "forty-two billion, four hundred forty-four million, three hundred two thousand, one hundred twenty".
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