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2099000287 = 5343979007
BaseRepresentation
bin111110100011100…
…0011001111011111
312102021122021002101
41331013003033133
513244321002122
6544140505531
7103005131236
oct17507031737
95367567071
102099000287
11987915a8a
124a6b4b2a7
13275b2ab07
1415caa9b1d
15c441b027
hex7d1c33df

2099000287 has 8 divisors (see below), whose sum is σ = 2139327936. Its totient is φ = 2058699552.

The previous prime is 2099000279. The next prime is 2099000303. The reversal of 2099000287 is 7820009902.

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

It is a cyclic number.

It is not a de Polignac number, because 2099000287 - 23 = 2099000279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099000987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228538 + ... + 237544.

It is an arithmetic number, because the mean of its divisors is an integer number (267415992).

Almost surely, 22099000287 is an apocalyptic number.

2099000287 is a deficient number, since it is larger than the sum of its proper divisors (40327649).

2099000287 is an equidigital number, since it uses as much as digits as its factorization.

2099000287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13457.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 2099000287 is about 45814.8478879937. The cubic root of 2099000287 is about 1280.3759245363.

The spelling of 2099000287 in words is "two billion, ninety-nine million, two hundred eighty-seven", and thus it is an aban number.

Divisors: 1 53 4397 9007 233041 477371 39603779 2099000287