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1442416813 is a prime number
BaseRepresentation
bin101010111111001…
…1000100010101101
310201112011100212221
41111332120202231
510423224314223
6355043555341
750513224555
oct12576304255
93645140787
101442416813
11680230112
1234308bb51
1319cab0396
14d97d4165
1586972b5d
hex55f988ad

1442416813 has 2 divisors, whose sum is σ = 1442416814. Its totient is φ = 1442416812.

The previous prime is 1442416751. The next prime is 1442416831. The reversal of 1442416813 is 3186142441.

Together with next prime (1442416831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1354019209 + 88397604 = 36797^2 + 9402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442416813 - 29 = 1442416301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442416853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721208406 + 721208407.

It is an arithmetic number, because the mean of its divisors is an integer number (721208407).

Almost surely, 21442416813 is an apocalyptic number.

It is an amenable number.

1442416813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442416813 is an equidigital number, since it uses as much as digits as its factorization.

1442416813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 34.

The square root of 1442416813 is about 37979.1628791368. The cubic root of 1442416813 is about 1129.8746338065.

The spelling of 1442416813 in words is "one billion, four hundred forty-two million, four hundred sixteen thousand, eight hundred thirteen".