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13387534897 = 117316671899
BaseRepresentation
bin11000111011111010…
…11001001000110001
31021120000000020101211
430131331121020301
5204404202104042
610052233200121
7652520111662
oct143575311061
937500006354
1013387534897
11574aa07130
122717560041
13135476a6a9
14910007369
155354a2017
hex31df59231

13387534897 has 8 divisors (see below), whose sum is σ = 14804647200. Its totient is φ = 12003766560.

The previous prime is 13387534873. The next prime is 13387534907. The reversal of 13387534897 is 79843578331.

It is a happy number.

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 13387534897 - 211 = 13387532849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13387531897) 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, 8335147 + ... + 8336752.

It is an arithmetic number, because the mean of its divisors is an integer number (1850580900).

Almost surely, 213387534897 is an apocalyptic number.

It is an amenable number.

13387534897 is a deficient number, since it is larger than the sum of its proper divisors (1417112303).

13387534897 is a wasteful number, since it uses less digits than its factorization.

13387534897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16671983.

The product of its digits is 15240960, while the sum is 58.

The spelling of 13387534897 in words is "thirteen billion, three hundred eighty-seven million, five hundred thirty-four thousand, eight hundred ninety-seven".

Divisors: 1 11 73 803 16671899 183390889 1217048627 13387534897