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211420003 is a prime number
BaseRepresentation
bin11001001101000…
…00001101100011
3112201211020201111
430212200031203
5413110420003
632551244151
75145016564
oct1446401543
9481736644
10211420003
11a9382a83
125a979657
1334a552c2
142011616b
1513862e6d
hexc9a0363

211420003 has 2 divisors, whose sum is σ = 211420004. Its totient is φ = 211420002.

The previous prime is 211419941. The next prime is 211420009. The reversal of 211420003 is 300024112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211420003 - 221 = 209322851 is a prime.

It is not a weakly prime, because it can be changed into another prime (211420009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105710001 + 105710002.

It is an arithmetic number, because the mean of its divisors is an integer number (105710002).

Almost surely, 2211420003 is an apocalyptic number.

211420003 is a deficient number, since it is larger than the sum of its proper divisors (1).

211420003 is an equidigital number, since it uses as much as digits as its factorization.

211420003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 211420003 is about 14540.2889586143. The cubic root of 211420003 is about 595.7289307917.

Adding to 211420003 its reverse (300024112), we get a palindrome (511444115).

The spelling of 211420003 in words is "two hundred eleven million, four hundred twenty thousand, three".