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5081819171 = 111361837019
BaseRepresentation
bin1001011101110011…
…00110100000100011
3111010011100011100212
410232321212200203
540401421203141
62200133004335
7236634515222
oct45671464043
914104304325
105081819171
112178610a60
12b99a836ab
1362caa7cc0
14362cbccb9
151eb2192eb
hex12ee66823

5081819171 has 32 divisors (see below), whose sum is σ = 6142106880. Its totient is φ = 4143427200.

The previous prime is 5081819101. The next prime is 5081819207. The reversal of 5081819171 is 1719181805.

It is not a de Polignac number, because 5081819171 - 218 = 5081557027 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5081819101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 720500 + ... + 727518.

It is an arithmetic number, because the mean of its divisors is an integer number (191940840).

Almost surely, 25081819171 is an apocalyptic number.

5081819171 is a deficient number, since it is larger than the sum of its proper divisors (1060287709).

5081819171 is a wasteful number, since it uses less digits than its factorization.

5081819171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7187.

The product of its (nonzero) digits is 20160, while the sum is 41.

The square root of 5081819171 is about 71286.8793748190. The cubic root of 5081819171 is about 1719.2527819553.

The spelling of 5081819171 in words is "five billion, eighty-one million, eight hundred nineteen thousand, one hundred seventy-one".

Divisors: 1 11 13 61 83 143 671 793 913 1079 5063 7019 8723 11869 55693 65819 77209 91247 428159 582577 724009 1003717 4709749 5566067 6408347 7573501 35537197 61226737 83308511 390909167 461983561 5081819171