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13453212512 = 251093856999
BaseRepresentation
bin11001000011101111…
…11011101101100000
31021201120121000011002
430201313323231200
5210023010300022
610102541011132
7654245263625
oct144167735540
937646530132
1013453212512
115783a95753
122735553aa8
13136525499c
14918a2234c
1553b127092
hex321dfbb60

13453212512 has 24 divisors (see below), whose sum is σ = 26729010000. Its totient is φ = 6664892544.

The previous prime is 13453212467. The next prime is 13453212529. The reversal of 13453212512 is 21521235431.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1925012 + ... + 1931987.

It is an arithmetic number, because the mean of its divisors is an integer number (1113708750).

Almost surely, 213453212512 is an apocalyptic number.

It is an amenable number.

13453212512 is a deficient number, since it is larger than the sum of its proper divisors (13275797488).

13453212512 is a wasteful number, since it uses less digits than its factorization.

13453212512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857118 (or 3857110 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

Adding to 13453212512 its reverse (21521235431), we get a palindrome (34974447943).

The spelling of 13453212512 in words is "thirteen billion, four hundred fifty-three million, two hundred twelve thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 109 218 436 872 1744 3488 3856999 7713998 15427996 30855992 61711984 123423968 420412891 840825782 1681651564 3363303128 6726606256 13453212512