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6811380067 is a prime number
BaseRepresentation
bin1100101011111110…
…10110100101100011
3122120200210221212211
412111333112211203
5102422203130232
63043515302551
7330535526632
oct62577264543
918520727784
106811380067
112985934728
1213a114aa57
1384720470b
1448889b519
1529ceaba47
hex195fd6963

6811380067 has 2 divisors, whose sum is σ = 6811380068. Its totient is φ = 6811380066.

The previous prime is 6811380049. The next prime is 6811380073. The reversal of 6811380067 is 7600831186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6811380067 - 211 = 6811378019 is a prime.

It is not a weakly prime, because it can be changed into another prime (6811380467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405690033 + 3405690034.

It is an arithmetic number, because the mean of its divisors is an integer number (3405690034).

Almost surely, 26811380067 is an apocalyptic number.

6811380067 is a deficient number, since it is larger than the sum of its proper divisors (1).

6811380067 is an equidigital number, since it uses as much as digits as its factorization.

6811380067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 6811380067 is about 82531.0854587531. The cubic root of 6811380067 is about 1895.5927457463.

The spelling of 6811380067 in words is "six billion, eight hundred eleven million, three hundred eighty thousand, sixty-seven".