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12733386240 = 29351725737
BaseRepresentation
bin10111101101111100…
…00000111000000000
31012212102010001010210
423312332000320000
5202034221324430
65503304354120
7630354666021
oct136676007000
935772101123
1012733386240
115444734603
122574475940
13127c093293
1488b1a6c48
154e7d3a2b0
hex2f6f80e00

12733386240 has 240 divisors, whose sum is σ = 43249968432. Its totient is φ = 3195273216.

The previous prime is 12733386173. The next prime is 12733386271. The reversal of 12733386240 is 4268333721.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2216652 + ... + 2222388.

Almost surely, 212733386240 is an apocalyptic number.

12733386240 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 12733386240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21624984216).

12733386240 is an abundant number, since it is smaller than the sum of its proper divisors (30516582192).

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

12733386240 is an equidigital number, since it uses as much as digits as its factorization.

12733386240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5797 (or 5764 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 12733386240 in words is "twelve billion, seven hundred thirty-three million, three hundred eighty-six thousand, two hundred forty".