Base | Representation |
---|---|
bin | 1110011011111001… |
… | …1110110101001010 |
3 | 101000001202110012121 |
4 | 3212332132311022 |
5 | 30414013421030 |
6 | 1440305401454 |
7 | 165013065010 |
oct | 34676366512 |
9 | 11001673177 |
10 | 3875138890 |
11 | 1709462227 |
12 | 90193928a |
13 | 499ab4cbc |
14 | 28a9308b0 |
15 | 17a30e47a |
hex | e6f9ed4a |
3875138890 has 32 divisors (see below), whose sum is σ = 7998963840. Its totient is φ = 1324077504.
The previous prime is 3875138851. The next prime is 3875138929. The reversal of 3875138890 is 988315783.
It is an interprime number because it is at equal distance from previous prime (3875138851) and next prime (3875138929).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73960 + ... + 114979.
It is an arithmetic number, because the mean of its divisors is an integer number (249967620).
Almost surely, 23875138890 is an apocalyptic number.
3875138890 is an abundant number, since it is smaller than the sum of its proper divisors (4123824950).
3875138890 is a wasteful number, since it uses less digits than its factorization.
3875138890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189246.
The product of its (nonzero) digits is 1451520, while the sum is 52.
The square root of 3875138890 is about 62250.6135712733. The cubic root of 3875138890 is about 1570.7090918364.
The spelling of 3875138890 in words is "three billion, eight hundred seventy-five million, one hundred thirty-eight thousand, eight hundred ninety".
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