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13200648879 = 311400019663
BaseRepresentation
bin11000100101101000…
…11110101010101111
31021001222100102222110
430102310132222233
5204013331231004
610021515415103
7645060443535
oct142264365257
937058312873
1013200648879
115664470980
122684a54493
131324b25452
148d327a155
15523d88589
hex312d1eaaf

13200648879 has 8 divisors (see below), whose sum is σ = 19200943872. Its totient is φ = 8000393240.

The previous prime is 13200648863. The next prime is 13200648889. The reversal of 13200648879 is 97884600231.

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

It is a cyclic number.

It is not a de Polignac number, because 13200648879 - 24 = 13200648863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13200648809) 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 7 ways as a sum of consecutive naturals, for example, 200009799 + ... + 200009864.

It is an arithmetic number, because the mean of its divisors is an integer number (2400117984).

Almost surely, 213200648879 is an apocalyptic number.

13200648879 is a deficient number, since it is larger than the sum of its proper divisors (6000294993).

13200648879 is a wasteful number, since it uses less digits than its factorization.

13200648879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400019677.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 13200648879 in words is "thirteen billion, two hundred million, six hundred forty-eight thousand, eight hundred seventy-nine".

Divisors: 1 3 11 33 400019663 1200058989 4400216293 13200648879