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13021320130103 = 104912413079247
BaseRepresentation
bin1011110101111100001100…
…1010010010111000110111
31201002211022012002100120202
42331133003022102320313
53201320130423130403
643405524544551115
72512521310616165
oct275370312227067
951084265070522
1013021320130103
11417034682602a
12156375192249b
13735b9c9c870c
1433034178c235
15178aab26c688
hexbd7c3292e37

13021320130103 has 4 divisors (see below), whose sum is σ = 13033733210400. Its totient is φ = 13008907049808.

The previous prime is 13021320130097. The next prime is 13021320130121. The reversal of 13021320130103 is 30103102312031.

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 13021320130103 - 24 = 13021320130087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021320130703) 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, 6206538575 + ... + 6206540672.

It is an arithmetic number, because the mean of its divisors is an integer number (3258433302600).

Almost surely, 213021320130103 is an apocalyptic number.

13021320130103 is a deficient number, since it is larger than the sum of its proper divisors (12413080297).

13021320130103 is a wasteful number, since it uses less digits than its factorization.

13021320130103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12413080296.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13021320130103 its reverse (30103102312031), we get a palindrome (43124422442134).

The spelling of 13021320130103 in words is "thirteen trillion, twenty-one billion, three hundred twenty million, one hundred thirty thousand, one hundred three".

Divisors: 1 1049 12413079247 13021320130103