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12796819200 = 28325211191063
BaseRepresentation
bin10111110101011111…
…11111011100000000
31020000211110202210200
423322233333130000
5202201441203300
65513452125200
7632055111534
oct137257773400
936024422720
1012796819200
11547751a740
122591766800
13128c272989
14895799bc4
154ed6ba200
hex2fabff700

12796819200 has 648 divisors, whose sum is σ = 52587050880. Its totient is φ = 2936217600.

The previous prime is 12796819177. The next prime is 12796819213. The reversal of 12796819200 is 291869721.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12037869 + ... + 12038931.

Almost surely, 212796819200 is an apocalyptic number.

12796819200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12796819200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26293525440).

12796819200 is an abundant number, since it is smaller than the sum of its proper divisors (39790231680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12796819200 is a wasteful number, since it uses less digits than its factorization.

12796819200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 12796819200 in words is "twelve billion, seven hundred ninety-six million, eight hundred nineteen thousand, two hundred".