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1020433013 is a prime number
BaseRepresentation
bin111100110100101…
…001001001110101
32122010010100221022
4330310221021311
54042212324023
6245131230525
734200352235
oct7464511165
92563110838
101020433013
1148400a476
122458a8445
13133542722
1499749cc5
155e8ba7c8
hex3cd29275

1020433013 has 2 divisors, whose sum is σ = 1020433014. Its totient is φ = 1020433012.

The previous prime is 1020432977. The next prime is 1020433049. The reversal of 1020433013 is 3103340201.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1020432977) and next prime (1020433049).

It can be written as a sum of positive squares in only one way, i.e., 742944049 + 277488964 = 27257^2 + 16658^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020433013 - 28 = 1020432757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1020432982 and 1020433000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020433093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510216506 + 510216507.

It is an arithmetic number, because the mean of its divisors is an integer number (510216507).

Almost surely, 21020433013 is an apocalyptic number.

It is an amenable number.

1020433013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020433013 is an equidigital number, since it uses as much as digits as its factorization.

1020433013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1020433013 is about 31944.2172075010. The cubic root of 1020433013 is about 1006.7651340874.

Adding to 1020433013 its reverse (3103340201), we get a palindrome (4123773214).

The spelling of 1020433013 in words is "one billion, twenty million, four hundred thirty-three thousand, thirteen".