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2013012503 is a prime number
BaseRepresentation
bin111011111111100…
…0010001000010111
312012021211122000122
41313333002020113
513110312400003
6531425502155
7100612216055
oct16777021027
95167748018
102013012503
119433250a7
124821a195b
13261082178
141514c51d5
15bbad3238
hex77fc2217

2013012503 has 2 divisors, whose sum is σ = 2013012504. Its totient is φ = 2013012502.

The previous prime is 2013012481. The next prime is 2013012511. The reversal of 2013012503 is 3052103102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2013012503 - 26 = 2013012439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013012523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006506251 + 1006506252.

It is an arithmetic number, because the mean of its divisors is an integer number (1006506252).

Almost surely, 22013012503 is an apocalyptic number.

2013012503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013012503 is an equidigital number, since it uses as much as digits as its factorization.

2013012503 is an evil number, because the sum of its binary digits is even.

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

The square root of 2013012503 is about 44866.6078838149. The cubic root of 2013012503 is about 1262.6475996175.

Adding to 2013012503 its reverse (3052103102), we get a palindrome (5065115605).

The spelling of 2013012503 in words is "two billion, thirteen million, twelve thousand, five hundred three".