Base | Representation |
---|---|
bin | 10000101010101100… |
… | …11100001101110111 |
3 | 212002121111112220210 |
4 | 20111112130031313 |
5 | 121311210420441 |
6 | 4035525400503 |
7 | 434512632300 |
oct | 102526341567 |
9 | 25077445823 |
10 | 8948138871 |
11 | 3881a9a1a1 |
12 | 1898869133 |
13 | ac7ac2a39 |
14 | 60c5957a7 |
15 | 375885616 |
hex | 21559c377 |
8948138871 has 48 divisors (see below), whose sum is σ = 14349189120. Its totient is φ = 4940429760.
The previous prime is 8948138831. The next prime is 8948138893. The reversal of 8948138871 is 1788318498.
It is not a de Polignac number, because 8948138871 - 27 = 8948138743 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8948138831) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3995370 + ... + 3997608.
It is an arithmetic number, because the mean of its divisors is an integer number (298941440).
Almost surely, 28948138871 is an apocalyptic number.
8948138871 is a deficient number, since it is larger than the sum of its proper divisors (5401050249).
8948138871 is a wasteful number, since it uses less digits than its factorization.
8948138871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3164 (or 3157 counting only the distinct ones).
The product of its digits is 3096576, while the sum is 57.
The square root of 8948138871 is about 94594.6027582969. The cubic root of 8948138871 is about 2076.0807353951.
The spelling of 8948138871 in words is "eight billion, nine hundred forty-eight million, one hundred thirty-eight thousand, eight hundred seventy-one".
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