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1030530643 is a prime number
BaseRepresentation
bin111101011011001…
…010011001010011
32122211010101021121
4331123022121103
54102303440033
6250131503111
734352236342
oct7533123123
92584111247
101030530643
11489786a1a
12249157a97
1313566985c
149ac17b59
156071262d
hex3d6ca653

1030530643 has 2 divisors, whose sum is σ = 1030530644. Its totient is φ = 1030530642.

The previous prime is 1030530629. The next prime is 1030530673. The reversal of 1030530643 is 3460350301.

It is a weak prime.

It is an emirp because it is prime and its reverse (3460350301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030530643 - 229 = 493659731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1030530673) 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, 515265321 + 515265322.

It is an arithmetic number, because the mean of its divisors is an integer number (515265322).

Almost surely, 21030530643 is an apocalyptic number.

1030530643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030530643 is an equidigital number, since it uses as much as digits as its factorization.

1030530643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1030530643 is about 32101.8791194534. The cubic root of 1030530643 is about 1010.0750338008.

Adding to 1030530643 its reverse (3460350301), we get a palindrome (4490880944).

The spelling of 1030530643 in words is "one billion, thirty million, five hundred thirty thousand, six hundred forty-three".