Search a number
-
+
2111513312 = 2565984791
BaseRepresentation
bin111110111011011…
…0010001011100000
312110011011222201202
41331312302023200
513311021411222
6545305020332
7103216365326
oct17566621340
95404158652
102111513312
11993992227
124ab1846a8
132785bc47c
14160605d16
15c558d892
hex7ddb22e0

2111513312 has 12 divisors (see below), whose sum is σ = 4157041896. Its totient is φ = 1055756640.

The previous prime is 2111513293. The next prime is 2111513329. The reversal of 2111513312 is 2133151112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32992364 + ... + 32992427.

It is an arithmetic number, because the mean of its divisors is an integer number (346420158).

Almost surely, 22111513312 is an apocalyptic number.

It is an amenable number.

2111513312 is a deficient number, since it is larger than the sum of its proper divisors (2045528584).

2111513312 is an equidigital number, since it uses as much as digits as its factorization.

2111513312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65984801 (or 65984793 counting only the distinct ones).

The product of its digits is 180, while the sum is 20.

The square root of 2111513312 is about 45951.2057730806. The cubic root of 2111513312 is about 1282.9151721250.

Adding to 2111513312 its reverse (2133151112), we get a palindrome (4244664424).

The spelling of 2111513312 in words is "two billion, one hundred eleven million, five hundred thirteen thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 65984791 131969582 263939164 527878328 1055756656 2111513312