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2013073481 is a prime number
BaseRepresentation
bin111011111111101…
…0001000001001001
312012021221201200002
41313333101001021
513110321322411
6531431052345
7100612561616
oct16777210111
95167851602
102013073481
119433669a1
124822110b5
132610a3b53
141514dd50d
15bbae633b
hex77fd1049

2013073481 has 2 divisors, whose sum is σ = 2013073482. Its totient is φ = 2013073480.

The previous prime is 2013073429. The next prime is 2013073511. The reversal of 2013073481 is 1843703102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1332907081 + 680166400 = 36509^2 + 26080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2013073481 is a prime.

It is a super-2 number, since 2×20130734812 = 8104929679810914722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2013073421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006536740 + 1006536741.

It is an arithmetic number, because the mean of its divisors is an integer number (1006536741).

Almost surely, 22013073481 is an apocalyptic number.

It is an amenable number.

2013073481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013073481 is an equidigital number, since it uses as much as digits as its factorization.

2013073481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2013073481 is about 44867.2874263644. The cubic root of 2013073481 is about 1262.6603488260.

Adding to 2013073481 its reverse (1843703102), we get a palindrome (3856776583).

The spelling of 2013073481 in words is "two billion, thirteen million, seventy-three thousand, four hundred eighty-one".