Search a number
-
+
2111320330 = 25724308817
BaseRepresentation
bin111110111011000…
…0011000100001010
312110010211012000021
41331312003010022
513310444222310
6545300531054
7103214632600
oct17566030412
95403735007
102111320330
11993870239
124ab0b0a8a
13278552692
14160595870
15c55515da
hex7dd8310a

2111320330 has 24 divisors (see below), whose sum is σ = 4420847268. Its totient is φ = 723881088.

The previous prime is 2111320313. The next prime is 2111320331. The reversal of 2111320330 is 330231112.

It can be written as a sum of positive squares in 2 ways, for example, as 1869611121 + 241709209 = 43239^2 + 15547^2 .

It is not an unprimeable number, because it can be changed into a prime (2111320331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2153919 + ... + 2154898.

Almost surely, 22111320330 is an apocalyptic number.

2111320330 is an abundant number, since it is smaller than the sum of its proper divisors (2309526938).

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

2111320330 is a wasteful number, since it uses less digits than its factorization.

2111320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308838 (or 4308831 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2111320330 is about 45949.1058672527. The cubic root of 2111320330 is about 1282.8760868747.

Adding to 2111320330 its reverse (330231112), we get a palindrome (2441551442).

The spelling of 2111320330 in words is "two billion, one hundred eleven million, three hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 4308817 8617634 21544085 30161719 43088170 60323438 150808595 211132033 301617190 422264066 1055660165 2111320330