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8085172854 = 2311711725389
BaseRepresentation
bin1111000011110100…
…11111001001110110
3202212110200100002110
413201322133021312
5113024301012404
63414141151450
7404233556343
oct74172371166
922773610073
108085172854
113479962040
12169785b586
139bb094b65
14569b197ca
15324c21b89
hex1e1e9f276

8085172854 has 32 divisors (see below), whose sum is σ = 17888843520. Its totient is φ = 2415543200.

The previous prime is 8085172853. The next prime is 8085172861. The reversal of 8085172854 is 4582715808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8085172853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858009 + ... + 867380.

It is an arithmetic number, because the mean of its divisors is an integer number (559026360).

Almost surely, 28085172854 is an apocalyptic number.

8085172854 is an abundant number, since it is smaller than the sum of its proper divisors (9803670666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8085172854 is a wasteful number, since it uses less digits than its factorization.

8085172854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725476.

The product of its (nonzero) digits is 716800, while the sum is 48.

The square root of 8085172854 is about 89917.5892359220. The cubic root of 8085172854 is about 2007.0726968300.

The spelling of 8085172854 in words is "eight billion, eighty-five million, one hundred seventy-two thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 11 22 33 66 71 142 213 426 781 1562 2343 4686 1725389 3450778 5176167 10352334 18979279 37958558 56937837 113875674 122502619 245005238 367507857 735015714 1347528809 2695057618 4042586427 8085172854