Search a number
-
+
2099000987 is a prime number
BaseRepresentation
bin111110100011100…
…0011011010011011
312102021122022001022
41331013003122123
513244321012422
6544140513055
7103005133256
oct17507033233
95367568038
102099000987
11987916566
124a6b4b78b
13275b2b225
1415caaa09d
15c441b342
hex7d1c369b

2099000987 has 2 divisors, whose sum is σ = 2099000988. Its totient is φ = 2099000986.

The previous prime is 2099000963. The next prime is 2099001013. The reversal of 2099000987 is 7890009902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2099000987 - 214 = 2098984603 is a prime.

It is not a weakly prime, because it can be changed into another prime (2099000957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049500493 + 1049500494.

It is an arithmetic number, because the mean of its divisors is an integer number (1049500494).

Almost surely, 22099000987 is an apocalyptic number.

2099000987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099000987 is an equidigital number, since it uses as much as digits as its factorization.

2099000987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 2099000987 is about 45814.8555274378. The cubic root of 2099000987 is about 1280.3760668681.

The spelling of 2099000987 in words is "two billion, ninety-nine million, nine hundred eighty-seven", and thus it is an aban number.