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8889534005 = 511179507523
BaseRepresentation
bin10000100011101101…
…11000011000110101
3211221112020010011012
420101312320120311
5121201210042010
64030033322005
7433201535522
oct102166703065
924845203135
108889534005
113851a01520
121881106305
13ab8913ac1
1460489c149
1537065b005
hex211db8635

8889534005 has 16 divisors (see below), whose sum is σ = 12321751104. Its totient is φ = 6084814080.

The previous prime is 8889533981. The next prime is 8889534019. The reversal of 8889534005 is 5004359888.

It is a de Polignac number, because none of the positive numbers 2k-8889534005 is a prime.

It is a Duffinian number.

It is a congruent 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, 4752827 + ... + 4754696.

It is an arithmetic number, because the mean of its divisors is an integer number (770109444).

Almost surely, 28889534005 is an apocalyptic number.

8889534005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8889534005 is a deficient number, since it is larger than the sum of its proper divisors (3432217099).

8889534005 is a wasteful number, since it uses less digits than its factorization.

8889534005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9507556.

The product of its (nonzero) digits is 1382400, while the sum is 50.

The square root of 8889534005 is about 94284.3253409600. The cubic root of 8889534005 is about 2071.5384492341.

The spelling of 8889534005 in words is "eight billion, eight hundred eighty-nine million, five hundred thirty-four thousand, five".

Divisors: 1 5 11 17 55 85 187 935 9507523 47537615 104582753 161627891 522913765 808139455 1777906801 8889534005