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2085757188 = 2231671040797
BaseRepresentation
bin111110001010010…
…0010000100000100
312101100201102222020
41330110202010010
513232423212223
6542545003140
7102454433514
oct17424420404
95340642866
102085757188
119803a0279
124a26234b0
13273172068
1415b01d844
15c31a21e3
hex7c522104

2085757188 has 24 divisors (see below), whose sum is σ = 4895913792. Its totient is φ = 691088544.

The previous prime is 2085757181. The next prime is 2085757189. The reversal of 2085757188 is 8817575802.

It is a self number, because there is not a number n which added to its sum of digits gives 2085757188.

It is not an unprimeable number, because it can be changed into a prime (2085757181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518395 + ... + 522402.

It is an arithmetic number, because the mean of its divisors is an integer number (203996408).

Almost surely, 22085757188 is an apocalyptic number.

It is an amenable number.

2085757188 is an abundant number, since it is smaller than the sum of its proper divisors (2810156604).

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

2085757188 is a wasteful number, since it uses less digits than its factorization.

2085757188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040971 (or 1040969 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 51.

The square root of 2085757188 is about 45670.0907378122. The cubic root of 2085757188 is about 1277.6775080744.

The spelling of 2085757188 in words is "two billion, eighty-five million, seven hundred fifty-seven thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 12 167 334 501 668 1002 2004 1040797 2081594 3122391 4163188 6244782 12489564 173813099 347626198 521439297 695252396 1042878594 2085757188