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1080066781845 = 32571338049071
BaseRepresentation
bin11111011011110001111…
…11110011001010010101
310211020211201012100221200
433231320333303022111
5120143434044004340
62144101551303113
7141014030111622
oct17557077631225
93736751170850
101080066781845
113870655a5187
121553a821aa99
137ab081b342c
143a3c0007349
151d165a27330
hexfb78ff3295

1080066781845 has 24 divisors (see below), whose sum is σ = 1898483588352. Its totient is φ = 567922437600.

The previous prime is 1080066781817. The next prime is 1080066781879. The reversal of 1080066781845 is 5481876600801.

It is a happy number.

It is not a de Polignac number, because 1080066781845 - 238 = 805188874901 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1080066781791 and 1080066781800.

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, 169021341 + ... + 169027730.

It is an arithmetic number, because the mean of its divisors is an integer number (79103482848).

Almost surely, 21080066781845 is an apocalyptic number.

1080066781845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1080066781845 is a deficient number, since it is larger than the sum of its proper divisors (818416806507).

1080066781845 is a wasteful number, since it uses less digits than its factorization.

1080066781845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338049153 (or 338049150 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 1080066781845 in words is "one trillion, eighty billion, sixty-six million, seven hundred eighty-one thousand, eight hundred forty-five".

Divisors: 1 3 5 9 15 45 71 213 355 639 1065 3195 338049071 1014147213 1690245355 3042441639 5070736065 15212208195 24001484041 72004452123 120007420205 216013356369 360022260615 1080066781845