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13102003 is a prime number
BaseRepresentation
bin110001111110…
…101110110011
3220122122120101
4301332232303
511323231003
61144453231
7216236155
oct61765663
926578511
1013102003
117439802
12447a217
132939785
141a50ad5
15123c11d
hexc7ebb3

13102003 has 2 divisors, whose sum is σ = 13102004. Its totient is φ = 13102002.

The previous prime is 13101983. The next prime is 13102009. The reversal of 13102003 is 30020131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13102003 is a prime.

It is a super-2 number, since 2×131020032 = 343324965224018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13102009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551001 + 6551002.

It is an arithmetic number, because the mean of its divisors is an integer number (6551002).

Almost surely, 213102003 is an apocalyptic number.

13102003 is a deficient number, since it is larger than the sum of its proper divisors (1).

13102003 is an equidigital number, since it uses as much as digits as its factorization.

13102003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 13102003 is about 3619.6689075107. The cubic root of 13102003 is about 235.7468498279.

Adding to 13102003 its reverse (30020131), we get a palindrome (43122134).

The spelling of 13102003 in words is "thirteen million, one hundred two thousand, three".