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2871328345 = 53173253763
BaseRepresentation
bin1010101100100100…
…1111111001011001
321102002220121000021
42223021033321121
521340030001340
61152530310441
7131103613444
oct25311177131
97362817007
102871328345
111243876536
12681728421
13369b42572
141d34b065b
1511c128e4a
hexab24fe59

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".

Divisors: 1 5 31 73 155 365 2263 11315 253763 1268815 7866653 18524699 39333265 92623495 574265669 2871328345