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2013055549 is a prime number
BaseRepresentation
bin111011111111100…
…1100101000111101
312012021220211001221
41313333030220331
513110320234144
6531430433341
7100612455421
oct16777145075
95167824057
102013055549
1194335447a
12482202851
1326109893b
141514d6b81
15bbae0d84
hex77fcca3d

2013055549 has 2 divisors, whose sum is σ = 2013055550. Its totient is φ = 2013055548.

The previous prime is 2013055511. The next prime is 2013055553. The reversal of 2013055549 is 9455503102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2010894649 + 2160900 = 44843^2 + 1470^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013055549 - 223 = 2004666941 is a prime.

It is a super-3 number, since 3×20130555493 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013055579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006527774 + 1006527775.

It is an arithmetic number, because the mean of its divisors is an integer number (1006527775).

Almost surely, 22013055549 is an apocalyptic number.

It is an amenable number.

2013055549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013055549 is an equidigital number, since it uses as much as digits as its factorization.

2013055549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 2013055549 is about 44867.0875921315. The cubic root of 2013055549 is about 1262.6565996512.

The spelling of 2013055549 in words is "two billion, thirteen million, fifty-five thousand, five hundred forty-nine".