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2585088685 = 5790165437
BaseRepresentation
bin1001101000010101…
…0101001010101101
320200011022010000101
42122011111022231
520243240314220
61104303231101
7121026614464
oct23205251255
96604263011
102585088685
111107240433
126018a8491
13322751a9a
141a747d9db
15101e3730a
hex9a1552ad

2585088685 has 8 divisors (see below), whose sum is σ = 3102546456. Its totient is φ = 2067777600.

The previous prime is 2585088677. The next prime is 2585088721. The reversal of 2585088685 is 5868805852.

It can be written as a sum of positive squares in 4 ways, for example, as 301300164 + 2283788521 = 17358^2 + 47789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2585088685 - 23 = 2585088677 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 7 ways as a sum of consecutive naturals, for example, 6787 + ... + 72223.

It is an arithmetic number, because the mean of its divisors is an integer number (387818307).

Almost surely, 22585088685 is an apocalyptic number.

It is an amenable number.

2585088685 is a deficient number, since it is larger than the sum of its proper divisors (517457771).

2585088685 is an equidigital number, since it uses as much as digits as its factorization.

2585088685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73343.

The product of its (nonzero) digits is 6144000, while the sum is 55.

The square root of 2585088685 is about 50843.7674154856. The cubic root of 2585088685 is about 1372.4350967923.

The spelling of 2585088685 in words is "two billion, five hundred eighty-five million, eighty-eight thousand, six hundred eighty-five".

Divisors: 1 5 7901 39505 65437 327185 517017737 2585088685