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1042012471 is a prime number
BaseRepresentation
bin111110000110111…
…101100100110111
32200121201201101111
4332012331210313
54113223344341
6251221535451
734551650143
oct7606754467
92617651344
101042012471
11495209435
12250b74587
13137b59a36
149c566223
156172e681
hex3e1bd937

1042012471 has 2 divisors, whose sum is σ = 1042012472. Its totient is φ = 1042012470.

The previous prime is 1042012453. The next prime is 1042012487. The reversal of 1042012471 is 1742102401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1042012471 is a prime.

It is a super-3 number, since 3×10420124713 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042012271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521006235 + 521006236.

It is an arithmetic number, because the mean of its divisors is an integer number (521006236).

Almost surely, 21042012471 is an apocalyptic number.

1042012471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042012471 is an equidigital number, since it uses as much as digits as its factorization.

1042012471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1042012471 is about 32280.2179515566. The cubic root of 1042012471 is about 1013.8124936147.

Adding to 1042012471 its reverse (1742102401), we get a palindrome (2784114872).

The spelling of 1042012471 in words is "one billion, forty-two million, twelve thousand, four hundred seventy-one".