Search a number
-
+
2163984288 = 25343524221
BaseRepresentation
bin1000000011111011…
…1100011110100000
312120210220210101020
42000332330132200
513412434444123
6554421405440
7104424364044
oct20076743640
95523823336
102163984288
11a10570474
12504869880
1328643149b
14167584024
15c9ea57e3
hex80fbc7a0

2163984288 has 48 divisors (see below), whose sum is σ = 5812573536. Its totient is φ = 704551680.

The previous prime is 2163984283. The next prime is 2163984289. The reversal of 2163984288 is 8824893612.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2163984288.

It is not an unprimeable number, because it can be changed into a prime (2163984283) 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, 257983 + ... + 266238.

It is an arithmetic number, because the mean of its divisors is an integer number (121095282).

Almost surely, 22163984288 is an apocalyptic number.

It is an amenable number.

2163984288 is an abundant number, since it is smaller than the sum of its proper divisors (3648589248).

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

2163984288 is a wasteful number, since it uses less digits than its factorization.

2163984288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524277 (or 524269 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 2163984288 is about 46518.6445202351. The cubic root of 2163984288 is about 1293.4551302970.

The spelling of 2163984288 in words is "two billion, one hundred sixty-three million, nine hundred eighty-four thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 43 48 86 96 129 172 258 344 516 688 1032 1376 2064 4128 524221 1048442 1572663 2096884 3145326 4193768 6290652 8387536 12581304 16775072 22541503 25162608 45083006 50325216 67624509 90166012 135249018 180332024 270498036 360664048 540996072 721328096 1081992144 2163984288