Search a number
-
+
2267985993 = 37138307641
BaseRepresentation
bin1000011100101110…
…1011100001001001
312212001121121220020
42013023223201021
514121101022433
61013014451053
7110126364030
oct20713534111
95761547806
102267985993
11a64245499
12533663a89
132a1b46560
141772d7717
15d419acb3
hex872eb849

2267985993 has 16 divisors (see below), whose sum is σ = 3721823616. Its totient is φ = 1196300160.

The previous prime is 2267985989. The next prime is 2267986013. The reversal of 2267985993 is 3995897622.

It is not a de Polignac number, because 2267985993 - 22 = 2267985989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2267985493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4153548 + ... + 4154093.

It is an arithmetic number, because the mean of its divisors is an integer number (232613976).

Almost surely, 22267985993 is an apocalyptic number.

It is an amenable number.

2267985993 is a deficient number, since it is larger than the sum of its proper divisors (1453837623).

2267985993 is a wasteful number, since it uses less digits than its factorization.

2267985993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8307664.

The product of its digits is 14696640, while the sum is 60.

The square root of 2267985993 is about 47623.3765392585. The cubic root of 2267985993 is about 1313.8530372022.

The spelling of 2267985993 in words is "two billion, two hundred sixty-seven million, nine hundred eighty-five thousand, nine hundred ninety-three".

Divisors: 1 3 7 13 21 39 91 273 8307641 24922923 58153487 107999333 174460461 323997999 755995331 2267985993