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12743050728576 = 2737173746716139
BaseRepresentation
bin1011100101101111100100…
…0000110001010010000000
31200010020001010010002220010
42321123321000301102000
53132240231441303301
643034024321544520
72453440451003160
oct271337100612200
950106033102803
1012743050728576
11407332aa20023
121519831aa5140
13715883c754cc
14320aa47005a0
151717217245d6
hexb96f9031480

12743050728576 has 512 divisors, whose sum is σ = 42159518668800. Its totient is φ = 3326743609344.

The previous prime is 12743050728517. The next prime is 12743050728641. The reversal of 12743050728576 is 67582705034721.

It is a happy number.

It is a super-2 number, since 2×127430507285762 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 789573115 + ... + 789589253.

It is an arithmetic number, because the mean of its divisors is an integer number (82342809900).

Almost surely, 212743050728576 is an apocalyptic number.

12743050728576 is a gapful number since it is divisible by the number (16) 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 12743050728576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21079759334400).

12743050728576 is an abundant number, since it is smaller than the sum of its proper divisors (29416467940224).

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

12743050728576 is a wasteful number, since it uses less digits than its factorization.

12743050728576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16684 (or 16672 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 57.

The spelling of 12743050728576 in words is "twelve trillion, seven hundred forty-three billion, fifty million, seven hundred twenty-eight thousand, five hundred seventy-six".