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1442968193 is a prime number
BaseRepresentation
bin101011000000001…
…1111001010000001
310201120012101020102
41112000133022001
510423344440233
6355103452145
750521012232
oct12600371201
93646171212
101442968193
116805773a7
123432b7055
1319cc44344
14d98d9089
1586a311e8
hex5601f281

1442968193 has 2 divisors, whose sum is σ = 1442968194. Its totient is φ = 1442968192.

The previous prime is 1442968183. The next prime is 1442968199. The reversal of 1442968193 is 3918692441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1366633024 + 76335169 = 36968^2 + 8737^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442968193 - 28 = 1442967937 is a prime.

It is the 75-th Perrin number.

It is not a weakly prime, because it can be changed into another prime (1442968199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721484096 + 721484097.

It is an arithmetic number, because the mean of its divisors is an integer number (721484097).

Almost surely, 21442968193 is an apocalyptic number.

It is an amenable number.

1442968193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442968193 is an equidigital number, since it uses as much as digits as its factorization.

1442968193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 47.

The square root of 1442968193 is about 37986.4211659904. The cubic root of 1442968193 is about 1130.0185845483.

The spelling of 1442968193 in words is "one billion, four hundred forty-two million, nine hundred sixty-eight thousand, one hundred ninety-three".