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19766113 is a prime number
BaseRepresentation
bin100101101100…
…1101101100001
31101012020000021
41023121231201
520030003423
61543353441
7330003103
oct113315541
941166007
1019766113
1110180634
126752881
134130b33
1428a7573
151b0695d
hex12d9b61

19766113 has 2 divisors, whose sum is σ = 19766114. Its totient is φ = 19766112.

The previous prime is 19766107. The next prime is 19766129. The reversal of 19766113 is 31166791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16916769 + 2849344 = 4113^2 + 1688^2 .

It is a cyclic number.

It is not a de Polignac number, because 19766113 - 213 = 19757921 is a prime.

It is not a weakly prime, because it can be changed into another prime (19766183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9883056 + 9883057.

It is an arithmetic number, because the mean of its divisors is an integer number (9883057).

Almost surely, 219766113 is an apocalyptic number.

It is an amenable number.

19766113 is a deficient number, since it is larger than the sum of its proper divisors (1).

19766113 is an equidigital number, since it uses as much as digits as its factorization.

19766113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 34.

The square root of 19766113 is about 4445.9096931899. The cubic root of 19766113 is about 270.3794983537.

The spelling of 19766113 in words is "nineteen million, seven hundred sixty-six thousand, one hundred thirteen".