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2013130223 = 13238381119
BaseRepresentation
bin111011111111101…
…1110110111101111
312012022001121111122
41313333132313233
513110330131343
6531432211155
7100613216216
oct16777366757
95168047448
102013130223
119433a5595
12482239abb
132610c3920
1415151607d
15bbb08068
hex77fdedef

2013130223 has 16 divisors (see below), whose sum is σ = 2289530880. Its totient is φ = 1756042464.

The previous prime is 2013130211. The next prime is 2013130247. The reversal of 2013130223 is 3220313102.

It is a cyclic number.

It is not a de Polignac number, because 2013130223 - 28 = 2013129967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013120223) 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, 15743 + ... + 65376.

It is an arithmetic number, because the mean of its divisors is an integer number (143095680).

Almost surely, 22013130223 is an apocalyptic number.

2013130223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2013130223 is a deficient number, since it is larger than the sum of its proper divisors (276400657).

2013130223 is a wasteful number, since it uses less digits than its factorization.

2013130223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81238.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2013130223 is about 44867.9197534274. The cubic root of 2013130223 is about 1262.6722121452.

Adding to 2013130223 its reverse (3220313102), we get a palindrome (5233443325).

The spelling of 2013130223 in words is "two billion, thirteen million, one hundred thirty thousand, two hundred twenty-three".

Divisors: 1 13 23 83 299 1079 1909 24817 81119 1054547 1865737 6732877 24254581 87527401 154856171 2013130223