Base | Representation |
---|---|
bin | 100011101000011111… |
… | …000111001000000000 |
3 | 10122202102022221201111 |
4 | 203220133013020000 |
5 | 1111324103130003 |
6 | 25324305013104 |
7 | 2523060255202 |
oct | 435037071000 |
9 | 118672287644 |
10 | 38260208128 |
11 | 1525398771a |
12 | 74b9324194 |
13 | 37b97b310c |
14 | 1bcd4c8772 |
15 | edddc2e6d |
hex | 8e87c7200 |
38260208128 has 80 divisors (see below), whose sum is σ = 79304924160. Its totient is φ = 18426470400.
The previous prime is 38260208071. The next prime is 38260208137. The reversal of 38260208128 is 82180206283.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1646833 + ... + 1669903.
It is an arithmetic number, because the mean of its divisors is an integer number (991311552).
Almost surely, 238260208128 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 38260208128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39652462080).
38260208128 is an abundant number, since it is smaller than the sum of its proper divisors (41044716032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38260208128 is an equidigital number, since it uses as much as digits as its factorization.
38260208128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23209 (or 23193 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 40.
The spelling of 38260208128 in words is "thirty-eight billion, two hundred sixty million, two hundred eight thousand, one hundred twenty-eight".
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