Search a number
-
+
2162563986 = 231146770163
BaseRepresentation
bin1000000011100110…
…0001101110010010
312120201020122002110
42000321201232102
513412104021421
6554331130150
7104406330162
oct20071415622
95521218073
102162563986
11a0a790370
125042a3956
13286054b7b
141672d45a2
15c9cc4a76
hex80e61b92

2162563986 has 32 divisors (see below), whose sum is σ = 4728492288. Its totient is φ = 653909840.

The previous prime is 2162563981. The next prime is 2162563987. The reversal of 2162563986 is 6893652612.

It is not an unprimeable number, because it can be changed into a prime (2162563981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4260 + ... + 65903.

It is an arithmetic number, because the mean of its divisors is an integer number (147765384).

Almost surely, 22162563986 is an apocalyptic number.

2162563986 is an abundant number, since it is smaller than the sum of its proper divisors (2565928302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2162563986 is a wasteful number, since it uses less digits than its factorization.

2162563986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70646.

The product of its digits is 933120, while the sum is 48.

The square root of 2162563986 is about 46503.3760709908. The cubic root of 2162563986 is about 1293.1720877347.

The spelling of 2162563986 in words is "two billion, one hundred sixty-two million, five hundred sixty-three thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 11 22 33 66 467 934 1401 2802 5137 10274 15411 30822 70163 140326 210489 420978 771793 1543586 2315379 4630758 32766121 65532242 98298363 196596726 360427331 720854662 1081281993 2162563986