Base | Representation |
---|---|
bin | 100011100001100110… |
… | …111011000101011010 |
3 | 10122110101012101201121 |
4 | 203201212323011122 |
5 | 1111110033043300 |
6 | 25305023435454 |
7 | 2520156403330 |
oct | 434146730532 |
9 | 118411171647 |
10 | 38144815450 |
11 | 151a4832475 |
12 | 7486755b8a |
13 | 379b910321 |
14 | 1bbc04bb50 |
15 | ed3bcc81a |
hex | 8e19bb15a |
38144815450 has 48 divisors (see below), whose sum is σ = 81131932224. Its totient is φ = 13070649600.
The previous prime is 38144815439. The next prime is 38144815459. The reversal of 38144815450 is 5451844183.
38144815450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 38144815397 and 38144815406.
It is not an unprimeable number, because it can be changed into a prime (38144815459) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 591285 + ... + 652615.
It is an arithmetic number, because the mean of its divisors is an integer number (1690248588).
Almost surely, 238144815450 is an apocalyptic number.
38144815450 is an abundant number, since it is smaller than the sum of its proper divisors (42987116774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38144815450 is a wasteful number, since it uses less digits than its factorization.
38144815450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63127 (or 63122 counting only the distinct ones).
The product of its (nonzero) digits is 307200, while the sum is 43.
The spelling of 38144815450 in words is "thirty-eight billion, one hundred forty-four million, eight hundred fifteen thousand, four hundred fifty".
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