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13201012321 = 77126561393
BaseRepresentation
bin11000100101101011…
…10111011001100001
31021002000000220112021
430102311313121201
5204013424343241
610021531301441
7645063516250
oct142265673141
937060026467
1013201012321
115664699a42
122684baa881
131324c219c3
148d3332797
15523e0b0d1
hex312d77661

13201012321 has 8 divisors (see below), whose sum is σ = 15299362944. Its totient is φ = 11155784640.

The previous prime is 13201012313. The next prime is 13201012339. The reversal of 13201012321 is 12321010231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13201012321 - 23 = 13201012313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13201012295 and 13201012304.

It is not an unprimeable number, because it can be changed into a prime (13201012301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13280200 + ... + 13281193.

It is an arithmetic number, because the mean of its divisors is an integer number (1912420368).

Almost surely, 213201012321 is an apocalyptic number.

It is an amenable number.

13201012321 is a deficient number, since it is larger than the sum of its proper divisors (2098350623).

13201012321 is an equidigital number, since it uses as much as digits as its factorization.

13201012321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26561471.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13201012321 its reverse (12321010231), we get a palindrome (25522022552).

The spelling of 13201012321 in words is "thirteen billion, two hundred one million, twelve thousand, three hundred twenty-one".

Divisors: 1 7 71 497 26561393 185929751 1885858903 13201012321