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2013100253 is a prime number
BaseRepresentation
bin111011111111101…
…0111100011011101
312012022000002101122
41313333113203131
513110323202003
6531431420325
7100613032643
oct16777274335
95168002348
102013100253
1194338501a
124822246a5
132610b30a8
14151509193
15bbaee238
hex77fd78dd

2013100253 has 2 divisors, whose sum is σ = 2013100254. Its totient is φ = 2013100252.

The previous prime is 2013100249. The next prime is 2013100273. The reversal of 2013100253 is 3520013102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1578711289 + 434388964 = 39733^2 + 20842^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013100253 - 22 = 2013100249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013100273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006550126 + 1006550127.

It is an arithmetic number, because the mean of its divisors is an integer number (1006550127).

Almost surely, 22013100253 is an apocalyptic number.

It is an amenable number.

2013100253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013100253 is an equidigital number, since it uses as much as digits as its factorization.

2013100253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 2013100253 is about 44867.5857719133. The cubic root of 2013100253 is about 1262.6659462029.

Adding to 2013100253 its reverse (3520013102), we get a palindrome (5533113355).

The spelling of 2013100253 in words is "two billion, thirteen million, one hundred thousand, two hundred fifty-three".