Search a number
-
+
19982018182 = 271427287013
BaseRepresentation
bin10010100111000001…
…010110011010000110
31220120120200200211111
4102213001112122012
5311410344040212
613102443555234
71305113231530
oct224701263206
956516620744
1019982018182
118524368015
123a57b2bb1a
131b65a4ccc9
14d77b64850
157be3b7ea7
hex4a7056686

19982018182 has 8 divisors (see below), whose sum is σ = 34254888336. Its totient is φ = 8563722072.

The previous prime is 19982018179. The next prime is 19982018191. The reversal of 19982018182 is 28181028991.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713643493 + ... + 713643520.

It is an arithmetic number, because the mean of its divisors is an integer number (4281861042).

Almost surely, 219982018182 is an apocalyptic number.

19982018182 is a deficient number, since it is larger than the sum of its proper divisors (14272870154).

19982018182 is a wasteful number, since it uses less digits than its factorization.

19982018182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427287022.

The product of its (nonzero) digits is 165888, while the sum is 49.

The spelling of 19982018182 in words is "nineteen billion, nine hundred eighty-two million, eighteen thousand, one hundred eighty-two".

Divisors: 1 2 7 14 1427287013 2854574026 9991009091 19982018182