Search a number
-
+
2111312376 = 2332191543357
BaseRepresentation
bin111110111011000…
…0001000111111000
312110010210210002200
41331312001013320
513310443444001
6545300430200
7103214600445
oct17566010770
95403723080
102111312376
11993865268
124ab0a8360
1327854bb84
141605929cc
15c554e086
hex7dd811f8

2111312376 has 48 divisors (see below), whose sum is σ = 6019096200. Its totient is φ = 666729792.

The previous prime is 2111312369. The next prime is 2111312429. The reversal of 2111312376 is 6732131112.

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 in 11 ways as a sum of consecutive naturals, for example, 770311 + ... + 773046.

Almost surely, 22111312376 is an apocalyptic number.

It is an amenable number.

2111312376 is an abundant number, since it is smaller than the sum of its proper divisors (3907783824).

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

2111312376 is a wasteful number, since it uses less digits than its factorization.

2111312376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543388 (or 1543381 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 2111312376 is about 45949.0193148885. The cubic root of 2111312376 is about 1282.8744758750.

Adding to 2111312376 its reverse (6732131112), we get a palindrome (8843443488).

It can be divided in two parts, 21113 and 12376, that added together give a square (33489 = 1832).

The spelling of 2111312376 in words is "two billion, one hundred eleven million, three hundred twelve thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 456 684 1368 1543357 3086714 4630071 6173428 9260142 12346856 13890213 18520284 27780426 29323783 37040568 55560852 58647566 87971349 111121704 117295132 175942698 234590264 263914047 351885396 527828094 703770792 1055656188 2111312376