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1042443133 is a prime number
BaseRepresentation
bin111110001000100…
…110101101111101
32200122112121010221
4332020212231331
54113331140013
6251235101341
734555422544
oct7610465575
92618477127
101042443133
11495482a56
12251141851
13137c7aa74
149c63915b
15617b708d
hex3e226b7d

1042443133 has 2 divisors, whose sum is σ = 1042443134. Its totient is φ = 1042443132.

The previous prime is 1042443079. The next prime is 1042443161. The reversal of 1042443133 is 3313442401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 760270329 + 282172804 = 27573^2 + 16798^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042443133 - 221 = 1040345981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042443098 and 1042443107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042443833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521221566 + 521221567.

It is an arithmetic number, because the mean of its divisors is an integer number (521221567).

Almost surely, 21042443133 is an apocalyptic number.

It is an amenable number.

1042443133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042443133 is an equidigital number, since it uses as much as digits as its factorization.

1042443133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1042443133 is about 32286.8879423211. The cubic root of 1042443133 is about 1013.9521433764.

Adding to 1042443133 its reverse (3313442401), we get a palindrome (4355885534).

The spelling of 1042443133 in words is "one billion, forty-two million, four hundred forty-three thousand, one hundred thirty-three".