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13787312297 = 111253392027
BaseRepresentation
bin11001101011100100…
…11011000010101001
31022120212021000220012
430311302123002221
5211214022443142
610200033541305
7665443135523
oct146562330251
938525230805
1013787312297
11593563a880
122809414835
1313b9531875
1494b150a13
1555a61e882
hex335c9b0a9

13787312297 has 4 divisors (see below), whose sum is σ = 15040704336. Its totient is φ = 12533920260.

The previous prime is 13787312249. The next prime is 13787312299. The reversal of 13787312297 is 79221378731.

It is a happy number.

13787312297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13787312297 - 26 = 13787312233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13787312299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626696003 + ... + 626696024.

It is an arithmetic number, because the mean of its divisors is an integer number (3760176084).

Almost surely, 213787312297 is an apocalyptic number.

It is an amenable number.

13787312297 is a deficient number, since it is larger than the sum of its proper divisors (1253392039).

13787312297 is a wasteful number, since it uses less digits than its factorization.

13787312297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253392038.

The product of its digits is 889056, while the sum is 50.

The spelling of 13787312297 in words is "thirteen billion, seven hundred eighty-seven million, three hundred twelve thousand, two hundred ninety-seven".

Divisors: 1 11 1253392027 13787312297