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12144007280664 = 23337312412713967
BaseRepresentation
bin1011000010110111111100…
…1111010111100000011000
31120222221210202011221012000
42300231333033113200120
53042431411330440124
641454514021521000
72362242551500560
oct260557717274030
946887722157160
1012144007280664
113962276575246
12144170b573160
136a123755216c
142ddab74d7da0
15160d608546c9
hexb0b7f3d7818

12144007280664 has 512 divisors, whose sum is σ = 40118727475200. Its totient is φ = 3330678528000.

The previous prime is 12144007280611. The next prime is 12144007280693. The reversal of 12144007280664 is 46608270044121.

12144007280664 is a `hidden beast` number, since 1 + 2 + 1 + 440 + 0 + 72 + 80 + 6 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3061255209 + ... + 3061259175.

It is an arithmetic number, because the mean of its divisors is an integer number (78356889600).

Almost surely, 212144007280664 is an apocalyptic number.

12144007280664 is a gapful number since it is divisible by the number (14) 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 12144007280664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20059363737600).

12144007280664 is an abundant number, since it is smaller than the sum of its proper divisors (27974720194536).

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

12144007280664 is a wasteful number, since it uses less digits than its factorization.

12144007280664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532 (or 4522 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 12144007280664 in words is "twelve trillion, one hundred forty-four billion, seven million, two hundred eighty thousand, six hundred sixty-four".