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12664054466800 = 24521117367461323
BaseRepresentation
bin1011100001001001010001…
…1101111100100011110000
31122211200010201201012212221
42320102110131330203300
53124441440420414200
642533441501530424
72444643034602112
oct270222435744360
948750121635787
1012664054466800
114042882660370
121506466273a14
1370b2a4a89249
1431ad2cda73b2
1516e64b42491a
hexb849477c8f0

12664054466800 has 240 divisors, whose sum is σ = 35239602949632. Its totient is φ = 4322402611200.

The previous prime is 12664054466741. The next prime is 12664054466801. The reversal of 12664054466800 is 866445046621.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12664054466801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27220939 + ... + 27682261.

Almost surely, 212664054466800 is an apocalyptic number.

12664054466800 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 12664054466800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17619801474816).

12664054466800 is an abundant number, since it is smaller than the sum of its proper divisors (22575548482832).

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

12664054466800 is a wasteful number, since it uses less digits than its factorization.

12664054466800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461736 (or 461725 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 12664054466800 in words is "twelve trillion, six hundred sixty-four billion, fifty-four million, four hundred sixty-six thousand, eight hundred".