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1030020113 = 2141481093
BaseRepresentation
bin111101011001001…
…101110000010001
32122210011102222002
4331121031300101
54102141120423
6250112523345
734345012043
oct7531156021
92583142862
101030020113
114894683a1
12248b50555
1313551b375
149ab23a93
1560661228
hex3d64dc11

1030020113 has 4 divisors (see below), whose sum is σ = 1030503348. Its totient is φ = 1029536880.

The previous prime is 1030020107. The next prime is 1030020149. The reversal of 1030020113 is 3110200301.

1030020113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 865359889 + 164660224 = 29417^2 + 12832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030020113 - 212 = 1030016017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030020094 and 1030020103.

It is not an unprimeable number, because it can be changed into a prime (1030020613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238406 + ... + 242687.

It is an arithmetic number, because the mean of its divisors is an integer number (257625837).

Almost surely, 21030020113 is an apocalyptic number.

It is an amenable number.

1030020113 is a deficient number, since it is larger than the sum of its proper divisors (483235).

1030020113 is an equidigital number, since it uses as much as digits as its factorization.

1030020113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483234.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1030020113 is about 32093.9264191841. The cubic root of 1030020113 is about 1009.9082075190.

Adding to 1030020113 its reverse (3110200301), we get a palindrome (4140220414).

The spelling of 1030020113 in words is "one billion, thirty million, twenty thousand, one hundred thirteen".

Divisors: 1 2141 481093 1030020113