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12171668303 is a prime number
BaseRepresentation
bin10110101010111110…
…01110101101001111
31011102021010210222202
423111133032231033
5144411421341203
65331441032115
7610424321264
oct132537165517
934367123882
1012171668303
115186653603
12243832563b
1311bc8ac2c2
1483674726b
154b3880388
hex2d57ceb4f

12171668303 has 2 divisors, whose sum is σ = 12171668304. Its totient is φ = 12171668302.

The previous prime is 12171668251. The next prime is 12171668321. The reversal of 12171668303 is 30386617121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12171668303 - 210 = 12171667279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12171668363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6085834151 + 6085834152.

It is an arithmetic number, because the mean of its divisors is an integer number (6085834152).

Almost surely, 212171668303 is an apocalyptic number.

12171668303 is a deficient number, since it is larger than the sum of its proper divisors (1).

12171668303 is an equidigital number, since it uses as much as digits as its factorization.

12171668303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 12171668303 in words is "twelve billion, one hundred seventy-one million, six hundred sixty-eight thousand, three hundred three".