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268318003 is a prime number
BaseRepresentation
bin11111111111000…
…11010100110011
3200200212222002211
433333203110303
51022142134003
642342552551
76435444142
oct1777432463
9620788084
10268318003
11128505318
1275a38757
1343787365
14278c7759
151885196d
hexffe3533

268318003 has 2 divisors, whose sum is σ = 268318004. Its totient is φ = 268318002.

The previous prime is 268317967. The next prime is 268318013. The reversal of 268318003 is 300813862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-268318003 is a prime.

It is not a weakly prime, because it can be changed into another prime (268318013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134159001 + 134159002.

It is an arithmetic number, because the mean of its divisors is an integer number (134159002).

Almost surely, 2268318003 is an apocalyptic number.

268318003 is a deficient number, since it is larger than the sum of its proper divisors (1).

268318003 is an equidigital number, since it uses as much as digits as its factorization.

268318003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 268318003 is about 16380.4152267273. The cubic root of 268318003 is about 644.9854797124.

The spelling of 268318003 in words is "two hundred sixty-eight million, three hundred eighteen thousand, three".