Base | Representation |
---|---|
bin | 101011100000110111… |
… | …0010001000100011000 |
3 | 22221012022012121121122 |
4 | 1113001232101010120 |
5 | 3012333234210230 |
6 | 110532222424412 |
7 | 6515432446424 |
oct | 1270156210430 |
9 | 287168177548 |
10 | 93444444440 |
11 | 366a1a53196 |
12 | 1613a432108 |
13 | 8a72609899 |
14 | 4746557b84 |
15 | 266d962be5 |
hex | 15c1b91118 |
93444444440 has 64 divisors (see below), whose sum is σ = 212918146560. Its totient is φ = 36904014720.
The previous prime is 93444444397. The next prime is 93444444449. The reversal of 93444444440 is 4444444439.
It is a junction number, because it is equal to n+sod(n) for n = 93444444391 and 93444444400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (93444444449) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5791985 + ... + 5808095.
It is an arithmetic number, because the mean of its divisors is an integer number (3326846040).
Almost surely, 293444444440 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 93444444440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106459073280).
93444444440 is an abundant number, since it is smaller than the sum of its proper divisors (119473702120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
93444444440 is a wasteful number, since it uses less digits than its factorization.
93444444440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17952 (or 17948 counting only the distinct ones).
The product of its (nonzero) digits is 1769472, while the sum is 44.
Adding to 93444444440 its reverse (4444444439), we get a palindrome (97888888879).
The spelling of 93444444440 in words is "ninety-three billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty".
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