Base | Representation |
---|---|
bin | 100100000001111001… |
… | …111101010111001000 |
3 | 10200212010210210020120 |
4 | 210001321331113020 |
5 | 1113212242121144 |
6 | 25434501423240 |
7 | 2536456216044 |
oct | 440171752710 |
9 | 120763723216 |
10 | 38686676424 |
11 | 15452690660 |
12 | 75b810ab20 |
13 | 3856c61016 |
14 | 1c2ddbd024 |
15 | 1016563e19 |
hex | 901e7d5c8 |
38686676424 has 128 divisors (see below), whose sum is σ = 109111726080. Its totient is φ = 11324332800.
The previous prime is 38686676401. The next prime is 38686676449. The reversal of 38686676424 is 42467668683.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4799982 + ... + 4808034.
It is an arithmetic number, because the mean of its divisors is an integer number (852435360).
Almost surely, 238686676424 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 38686676424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54555863040).
38686676424 is an abundant number, since it is smaller than the sum of its proper divisors (70425049656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38686676424 is a wasteful number, since it uses less digits than its factorization.
38686676424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8691 (or 8687 counting only the distinct ones).
The product of its digits is 55738368, while the sum is 60.
The spelling of 38686676424 in words is "thirty-eight billion, six hundred eighty-six million, six hundred seventy-six thousand, four hundred twenty-four".
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