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13387639281292 = 2225113334302073
BaseRepresentation
bin1100001011010000110101…
…1110111101011010001100
31202101211211121012022212201
43002310031132331122030
53223320341124000132
644250110243411244
72551140116206543
oct302641536753214
952354747168781
1013387639281292
1142a17363a5191
121602745383b24
137615ab4c5003
14343d7270d15a
1518339ad0a2e7
hexc2d0d7bd68c

13387639281292 has 12 divisors (see below), whose sum is σ = 23521708858536. Its totient is φ = 6667151036000.

The previous prime is 13387639281283. The next prime is 13387639281293. The reversal of 13387639281292 is 29218293678331.

It is not an unprimeable number, because it can be changed into a prime (13387639281293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6667150033 + ... + 6667152040.

It is an arithmetic number, because the mean of its divisors is an integer number (1960142404878).

Almost surely, 213387639281292 is an apocalyptic number.

It is an amenable number.

13387639281292 is a deficient number, since it is larger than the sum of its proper divisors (10134069577244).

13387639281292 is a wasteful number, since it uses less digits than its factorization.

13387639281292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13334302328 (or 13334302326 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 64.

The spelling of 13387639281292 in words is "thirteen trillion, three hundred eighty-seven billion, six hundred thirty-nine million, two hundred eighty-one thousand, two hundred ninety-two".

Divisors: 1 2 4 251 502 1004 13334302073 26668604146 53337208292 3346909820323 6693819640646 13387639281292