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13030140323 = 36433576761
BaseRepresentation
bin11000010001010100…
…00010100110100011
31020122002111201012202
430020222002212203
5203141203442243
65552545043415
7640620236204
oct141052024643
936562451182
1013030140323
1155871a1312
12263792656b
1312c86c5805
148b87735ab
15513e074b8
hex308a829a3

13030140323 has 4 divisors (see below), whose sum is σ = 13033720728. Its totient is φ = 13026559920.

The previous prime is 13030140301. The next prime is 13030140349. The reversal of 13030140323 is 32304103031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32304103031 = 191700215949.

It is a cyclic number.

It is not a de Polignac number, because 13030140323 - 218 = 13029878179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13030140295 and 13030140304.

It is not an unprimeable number, because it can be changed into a prime (13030140023) 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, 1784738 + ... + 1792023.

It is an arithmetic number, because the mean of its divisors is an integer number (3258430182).

Almost surely, 213030140323 is an apocalyptic number.

13030140323 is a deficient number, since it is larger than the sum of its proper divisors (3580405).

13030140323 is an equidigital number, since it uses as much as digits as its factorization.

13030140323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580404.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13030140323 its reverse (32304103031), we get a palindrome (45334243354).

The spelling of 13030140323 in words is "thirteen billion, thirty million, one hundred forty thousand, three hundred twenty-three".

Divisors: 1 3643 3576761 13030140323