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2011430213 = 137111711861
BaseRepresentation
bin111011111100011…
…1111110101000101
312012011212020112022
41313320333311011
513104411231323
6531331532525
7100562606012
oct16770776505
95164766468
102011430213
11942444321
1248175a145
13260949bc0
141511d2709
15bb8be4c8
hex77e3fd45

2011430213 has 16 divisors (see below), whose sum is σ = 2199722112. Its totient is φ = 1828008000.

The previous prime is 2011430209. The next prime is 2011430243. The reversal of 2011430213 is 3120341102.

It is not a de Polignac number, because 2011430213 - 22 = 2011430209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011430191 and 2011430200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011430243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079903 + ... + 1081763.

It is an arithmetic number, because the mean of its divisors is an integer number (137482632).

Almost surely, 22011430213 is an apocalyptic number.

It is an amenable number.

2011430213 is a deficient number, since it is larger than the sum of its proper divisors (188291899).

2011430213 is a wasteful number, since it uses less digits than its factorization.

2011430213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2011430213 is about 44848.9711476194. The cubic root of 2011430213 is about 1262.3166862295.

Adding to 2011430213 its reverse (3120341102), we get a palindrome (5131771315).

The spelling of 2011430213 in words is "two billion, eleven million, four hundred thirty thousand, two hundred thirteen".

Divisors: 1 13 71 923 1171 1861 15223 24193 83141 132131 1080833 1717703 2179231 28330003 154725401 2011430213