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7068870885 = 354111494099
BaseRepresentation
bin1101001010101011…
…00110100011100101
3200020122022211212210
412211111212203211
5103434112332020
63125234234033
7340113261006
oct64525464345
920218284783
107068870885
112aa821435a
121453425919
1388866a84b
144b0b671ad
152b58c03e0
hex1a55668e5

7068870885 has 16 divisors (see below), whose sum is σ = 11586052800. Its totient is φ = 3678111360.

The previous prime is 7068870863. The next prime is 7068870911. The reversal of 7068870885 is 5880788607.

It is not a de Polignac number, because 7068870885 - 210 = 7068869861 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5746435 + ... + 5747664.

It is an arithmetic number, because the mean of its divisors is an integer number (724128300).

Almost surely, 27068870885 is an apocalyptic number.

It is an amenable number.

7068870885 is a deficient number, since it is larger than the sum of its proper divisors (4517181915).

7068870885 is a wasteful number, since it uses less digits than its factorization.

7068870885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494148.

The product of its (nonzero) digits is 6021120, while the sum is 57.

The square root of 7068870885 is about 84076.5775052719. The cubic root of 7068870885 is about 1919.1843038437.

The spelling of 7068870885 in words is "seven billion, sixty-eight million, eight hundred seventy thousand, eight hundred eighty-five".

Divisors: 1 3 5 15 41 123 205 615 11494099 34482297 57470495 172411485 471258059 1413774177 2356290295 7068870885