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1030320013 = 1079629159
BaseRepresentation
bin111101011010010…
…110111110001101
32122210201200100111
4331122112332031
54102230220023
6250123200021
734350401302
oct7532267615
92583650314
101030320013
11489652748
12249076011
131355c4a18
149aba10a9
15606c000d
hex3d696f8d

1030320013 has 4 divisors (see below), whose sum is σ = 1039949280. Its totient is φ = 1020690748.

The previous prime is 1030320007. The next prime is 1030320017. The reversal of 1030320013 is 3100230301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1030320013 - 229 = 493449101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030319975 and 1030320002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030320017) 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 3 ways as a sum of consecutive naturals, for example, 4814473 + ... + 4814686.

It is an arithmetic number, because the mean of its divisors is an integer number (259987320).

Almost surely, 21030320013 is an apocalyptic number.

It is an amenable number.

1030320013 is a deficient number, since it is larger than the sum of its proper divisors (9629267).

1030320013 is an equidigital number, since it uses as much as digits as its factorization.

1030320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9629266.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1030320013 is about 32098.5983027297. The cubic root of 1030320013 is about 1010.0062127514.

Adding to 1030320013 its reverse (3100230301), we get a palindrome (4130550314).

The spelling of 1030320013 in words is "one billion, thirty million, three hundred twenty thousand, thirteen".

Divisors: 1 107 9629159 1030320013