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13044012320000 = 2854537919471
BaseRepresentation
bin1011110111010000101110…
…1110001000010100000000
31201011222212122110001002102
42331310023232020110000
53202203114123220000
643424200405205532
72514253533220214
oct275641356102400
951158778401072
1013044012320000
114179a30997182
1215680254008a8
13738078083c0c
14331495432944
151794885293d5
hexbdd0bb88500

13044012320000 has 360 divisors, whose sum is σ = 33571151792640. Its totient is φ = 5054100480000.

The previous prime is 13044012319999. The next prime is 13044012320077. The reversal of 13044012320000 is 2321044031.

It is a super-3 number, since 3×130440123200003 (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 39 ways as a sum of consecutive naturals, for example, 669910265 + ... + 669929735.

It is an arithmetic number, because the mean of its divisors is an integer number (93253199424).

Almost surely, 213044012320000 is an apocalyptic number.

13044012320000 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 13044012320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16785575896320).

13044012320000 is an abundant number, since it is smaller than the sum of its proper divisors (20527139472640).

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

13044012320000 is an frugal number, since it uses more digits than its factorization.

13044012320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19639 (or 19610 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13044012320000 its reverse (2321044031), we get a palindrome (13046333364031).

The spelling of 13044012320000 in words is "thirteen trillion, forty-four billion, twelve million, three hundred twenty thousand".