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10030130503 = 12897781327
BaseRepresentation
bin10010101011101011…
…11010010101000111
3221220000110102101221
421111311322111013
5131020203134003
64335140301211
7503361462661
oct112565722507
927800412357
1010030130503
114287824558
121b3b0a1807
13c3b009983
146b2167531
153da8607bd
hex255d7a547

10030130503 has 4 divisors (see below), whose sum is σ = 10037913120. Its totient is φ = 10022347888.

The previous prime is 10030130497. The next prime is 10030130527. The reversal of 10030130503 is 30503103001.

10030130503 is digitally balanced in base 3, 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 is a cyclic number.

It is not a de Polignac number, because 10030130503 - 25 = 10030130471 is a prime.

It is a super-2 number, since 2×100301305032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030130563) 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, 3889375 + ... + 3891952.

It is an arithmetic number, because the mean of its divisors is an integer number (2509478280).

Almost surely, 210030130503 is an apocalyptic number.

10030130503 is a deficient number, since it is larger than the sum of its proper divisors (7782617).

10030130503 is an equidigital number, since it uses as much as digits as its factorization.

10030130503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782616.

The product of its (nonzero) digits is 135, while the sum is 16.

Adding to 10030130503 its reverse (30503103001), we get a palindrome (40533233504).

The spelling of 10030130503 in words is "ten billion, thirty million, one hundred thirty thousand, five hundred three".

Divisors: 1 1289 7781327 10030130503