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1042131443 = 29103348889
BaseRepresentation
bin111110000111011…
…010100111110011
32200121221202120212
4332013122213303
54113241201233
6251224254335
734552654043
oct7607324763
92617852525
101042131443
1149528a861
122510113ab
13137b9bc32
149c597723
1561754a48
hex3e1da9f3

1042131443 has 8 divisors (see below), whose sum is σ = 1088536800. Its totient is φ = 996424128.

The previous prime is 1042131439. The next prime is 1042131457. The reversal of 1042131443 is 3441312401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042131443 - 22 = 1042131439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042131143) 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 in 7 ways as a sum of consecutive naturals, for example, 171458 + ... + 177431.

It is an arithmetic number, because the mean of its divisors is an integer number (136067100).

Almost surely, 21042131443 is an apocalyptic number.

1042131443 is a deficient number, since it is larger than the sum of its proper divisors (46405357).

1042131443 is a wasteful number, since it uses less digits than its factorization.

1042131443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349021.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1042131443 is about 32282.0606994039. The cubic root of 1042131443 is about 1013.8510762335.

Adding to 1042131443 its reverse (3441312401), we get a palindrome (4483443844).

The spelling of 1042131443 in words is "one billion, forty-two million, one hundred thirty-one thousand, four hundred forty-three".

Divisors: 1 29 103 2987 348889 10117781 35935567 1042131443