Base | Representation |
---|---|
bin | 100100000101100101… |
… | …010110111000010000 |
3 | 10201000102220220012101 |
4 | 210011211112320100 |
5 | 1113324041303114 |
6 | 25444544210144 |
7 | 2541135556564 |
oct | 440545267020 |
9 | 121012826171 |
10 | 38748384784 |
11 | 154844a8aaa |
12 | 7614909954 |
13 | 3866988745 |
14 | 1c382836a4 |
15 | 101bba2d74 |
hex | 905956e10 |
38748384784 has 60 divisors (see below), whose sum is σ = 80380125184. Its totient is φ = 18090680832.
The previous prime is 38748384751. The next prime is 38748384797. The reversal of 38748384784 is 48748384783.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554257 + ... + 620239.
Almost surely, 238748384784 is an apocalyptic number.
38748384784 is a gapful number since it is divisible by the number (34) 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 38748384784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40190062592).
38748384784 is an abundant number, since it is smaller than the sum of its proper divisors (41631740400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38748384784 is a wasteful number, since it uses less digits than its factorization.
38748384784 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66152 (or 66129 counting only the distinct ones).
The product of its digits is 115605504, while the sum is 64.
Subtracting 38748384784 from its reverse (48748384783), we obtain a palindrome (9999999999).
The spelling of 38748384784 in words is "thirty-eight billion, seven hundred forty-eight million, three hundred eighty-four thousand, seven hundred eighty-four".
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