Base | Representation |
---|---|
bin | 1010101100100100… |
… | …1111111001011001 |
3 | 21102002220121000021 |
4 | 2223021033321121 |
5 | 21340030001340 |
6 | 1152530310441 |
7 | 131103613444 |
oct | 25311177131 |
9 | 7362817007 |
10 | 2871328345 |
11 | 1243876536 |
12 | 681728421 |
13 | 369b42572 |
14 | 1d34b065b |
15 | 11c128e4a |
hex | ab24fe59 |
2871328345 has 16 divisors (see below), whose sum is σ = 3605478912. Its totient is φ = 2192503680.
The previous prime is 2871328333. The next prime is 2871328363. The reversal of 2871328345 is 5438231782.
It is not a de Polignac number, because 2871328345 - 215 = 2871295577 is a prime.
It is a Duffinian number.
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, 115567 + ... + 138196.
It is an arithmetic number, because the mean of its divisors is an integer number (225342432).
Almost surely, 22871328345 is an apocalyptic number.
It is an amenable number.
2871328345 is a deficient number, since it is larger than the sum of its proper divisors (734150567).
2871328345 is a wasteful number, since it uses less digits than its factorization.
2871328345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 253872.
The product of its digits is 322560, while the sum is 43.
The square root of 2871328345 is about 53584.7771759853. Note that the first 3 decimals coincide. The cubic root of 2871328345 is about 1421.3279162102.
The spelling of 2871328345 in words is "two billion, eight hundred seventy-one million, three hundred twenty-eight thousand, three hundred forty-five".
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