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2011143200 = 255211228539
BaseRepresentation
bin111011111011111…
…1001110000100000
312012011022122211012
41313313321300200
513104323040300
6531321440052
7100560302153
oct16767716040
95164278735
102011143200
11942268720
12481640028
13260879381
14151159c9a
15bb864435
hex77df9c20

2011143200 has 72 divisors (see below), whose sum is σ = 5356063440. Its totient is φ = 731321600.

The previous prime is 2011143187. The next prime is 2011143229. The reversal of 2011143200 is 23411102.

2011143200 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105470 + ... + 123069.

It is an arithmetic number, because the mean of its divisors is an integer number (74389770).

Almost surely, 22011143200 is an apocalyptic number.

2011143200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011143200 is an abundant number, since it is smaller than the sum of its proper divisors (3344920240).

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

2011143200 is a wasteful number, since it uses less digits than its factorization.

2011143200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228570 (or 228557 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2011143200 is about 44845.7712610676. The cubic root of 2011143200 is about 1262.2566429610.

Adding to 2011143200 its reverse (23411102), we get a palindrome (2034554302).

The spelling of 2011143200 in words is "two billion, eleven million, one hundred forty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 550 800 880 1100 1760 2200 4400 8800 228539 457078 914156 1142695 1828312 2285390 2513929 3656624 4570780 5027858 5713475 7313248 9141560 10055716 11426950 12569645 18283120 20111432 22853900 25139290 36566240 40222864 45707800 50278580 62848225 80445728 91415600 100557160 125696450 182831200 201114320 251392900 402228640 502785800 1005571600 2011143200