Base | Representation |
---|---|
bin | 100011111100000101… |
… | …111110010000010000 |
3 | 10200121100022120022012 |
4 | 203330011332100100 |
5 | 1113012311200022 |
6 | 25421055402052 |
7 | 2534163316655 |
oct | 437405762020 |
9 | 120540276265 |
10 | 38589162512 |
11 | 15402637a4a |
12 | 758b523328 |
13 | 383c9aac94 |
14 | 1c21077c2c |
15 | 100cc00de2 |
hex | 8fc17e410 |
38589162512 has 90 divisors (see below), whose sum is σ = 81342032058. Its totient is φ = 17673255936.
The previous prime is 38589162497. The next prime is 38589162523. The reversal of 38589162512 is 21526198583.
It can be written as a sum of positive squares in 3 ways, for example, as 1279922176 + 37309240336 = 35776^2 + 193156^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 139310918 + ... + 139311194.
Almost surely, 238589162512 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 38589162512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40671016029).
38589162512 is an abundant number, since it is smaller than the sum of its proper divisors (42752869546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38589162512 is an equidigital number, since it uses as much as digits as its factorization.
38589162512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 665 (or 339 counting only the distinct ones).
The product of its digits is 1036800, while the sum is 50.
The spelling of 38589162512 in words is "thirty-eight billion, five hundred eighty-nine million, one hundred sixty-two thousand, five hundred twelve".
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