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680010911 is a prime number
BaseRepresentation
bin101000100010000…
…010010010011111
31202101120010121022
4220202002102133
52343040322121
6151250554355
722564666046
oct5042022237
91671503538
10680010911
11319937298
1216b8989bb
13aab60c28
146645355d
153ea74aab
hex2888249f

680010911 has 2 divisors, whose sum is σ = 680010912. Its totient is φ = 680010910.

The previous prime is 680010889. The next prime is 680010917. The reversal of 680010911 is 119010086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 680010911 - 214 = 679994527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680010917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340005455 + 340005456.

It is an arithmetic number, because the mean of its divisors is an integer number (340005456).

Almost surely, 2680010911 is an apocalyptic number.

680010911 is a deficient number, since it is larger than the sum of its proper divisors (1).

680010911 is an equidigital number, since it uses as much as digits as its factorization.

680010911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 680010911 is about 26077.0188288462. The cubic root of 680010911 is about 879.3706377210.

Adding to 680010911 its reverse (119010086), we get a palindrome (799020997).

The spelling of 680010911 in words is "six hundred eighty million, ten thousand, nine hundred eleven".