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2011224040 = 23577182943
BaseRepresentation
bin111011111100000…
…1101011111101000
312012011110202201021
41313320031133220
513104333132130
6531323302224
7100561056640
oct16770153750
95164422637
102011224040
11942313431
1248167a974
132608a70c7
1415117b520
15bb87d37a
hex77e0d7e8

2011224040 has 32 divisors (see below), whose sum is σ = 5171719680. Its totient is φ = 689562432.

The previous prime is 2011224011. The next prime is 2011224067. The reversal of 2011224040 is 404221102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3591192 + ... + 3591751.

It is an arithmetic number, because the mean of its divisors is an integer number (161616240).

Almost surely, 22011224040 is an apocalyptic number.

2011224040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011224040 is an abundant number, since it is smaller than the sum of its proper divisors (3160495640).

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

2011224040 is a wasteful number, since it uses less digits than its factorization.

2011224040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182961 (or 7182957 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2011224040 is about 44846.6725633017. The cubic root of 2011224040 is about 1262.2735553088.

Adding to 2011224040 its reverse (404221102), we get a palindrome (2415445142).

The spelling of 2011224040 in words is "two billion, eleven million, two hundred twenty-four thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 7182943 14365886 28731772 35914715 50280601 57463544 71829430 100561202 143658860 201122404 251403005 287317720 402244808 502806010 1005612020 2011224040