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2891393675 = 52373125831
BaseRepresentation
bin1010110001010111…
…0010101010001011
321110111200000110122
42230111302222023
521410144044200
61154524333455
7131436304112
oct25425625213
97414600418
102891393675
111254130955
126883a428b
13371049641
141d6014c79
1511dc8e385
hexac572a8b

2891393675 has 12 divisors (see below), whose sum is σ = 3682230096. Its totient is φ = 2250597600.

The previous prime is 2891393671. The next prime is 2891393683. The reversal of 2891393675 is 5763931982.

2891393675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2891393675 - 22 = 2891393671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2891393671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1561991 + ... + 1563840.

It is an arithmetic number, because the mean of its divisors is an integer number (306852508).

Almost surely, 22891393675 is an apocalyptic number.

2891393675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2891393675 is a deficient number, since it is larger than the sum of its proper divisors (790836421).

2891393675 is a wasteful number, since it uses less digits than its factorization.

2891393675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125878 (or 3125873 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 53.

The square root of 2891393675 is about 53771.6809761421. The cubic root of 2891393675 is about 1424.6310607413.

The spelling of 2891393675 in words is "two billion, eight hundred ninety-one million, three hundred ninety-three thousand, six hundred seventy-five".

Divisors: 1 5 25 37 185 925 3125831 15629155 78145775 115655747 578278735 2891393675