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13030003001 = 19168219911
BaseRepresentation
bin11000010001010011…
…00001000100111001
31020122002020201211202
430020221201010321
5203141140044001
65552542103545
7640616124641
oct141051410471
936562221752
1013030003001
115587108124
12263787abb5
1312c8678162
148b8739521
15513dcb96b
hex308a61139

13030003001 has 4 divisors (see below), whose sum is σ = 13098223104. Its totient is φ = 12961782900.

The previous prime is 13030002967. The next prime is 13030003009. The reversal of 13030003001 is 10030003031.

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 a de Polignac number, because none of the positive numbers 2k-13030003001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13030003009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34109765 + ... + 34110146.

It is an arithmetic number, because the mean of its divisors is an integer number (3274555776).

Almost surely, 213030003001 is an apocalyptic number.

It is an amenable number.

13030003001 is a deficient number, since it is larger than the sum of its proper divisors (68220103).

13030003001 is an equidigital number, since it uses as much as digits as its factorization.

13030003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68220102.

The product of its (nonzero) digits is 27, while the sum is 11.

Adding to 13030003001 its reverse (10030003031), we get a palindrome (23060006032).

The spelling of 13030003001 in words is "thirteen billion, thirty million, three thousand, one".

Divisors: 1 191 68219911 13030003001