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11303133220 = 225565156661
BaseRepresentation
bin10101000011011100…
…00010000000100100
31002011201211122211201
422201232002000210
5141122100230340
65105333212244
7550050022111
oct124156020044
932151748751
1011303133220
114880362315
122235491084
1310b1981612
1479325b908
154624bb79a
hex2a1b82024

11303133220 has 12 divisors (see below), whose sum is σ = 23736579804. Its totient is φ = 4521253280.

The previous prime is 11303133217. The next prime is 11303133229. The reversal of 11303133220 is 2233130311.

It can be written as a sum of positive squares in 2 ways, for example, as 7027804224 + 4275328996 = 83832^2 + 65386^2 .

It is not an unprimeable number, because it can be changed into a prime (11303133229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282578311 + ... + 282578350.

It is an arithmetic number, because the mean of its divisors is an integer number (1978048317).

Almost surely, 211303133220 is an apocalyptic number.

11303133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11303133220 is an abundant number, since it is smaller than the sum of its proper divisors (12433446584).

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

11303133220 is a wasteful number, since it uses less digits than its factorization.

11303133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565156670 (or 565156668 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 11303133220 its reverse (2233130311), we get a palindrome (13536263531).

The spelling of 11303133220 in words is "eleven billion, three hundred three million, one hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 565156661 1130313322 2260626644 2825783305 5651566610 11303133220