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12774467765085 = 35131271831281719
BaseRepresentation
bin1011100111100100100110…
…0111010000001101011101
31200020020010121210220220220
42321321021213100031131
53133244102221440320
643100302014031553
72455632135261615
oct271711147201535
950206117726826
1012774467765085
114085692029604
12152393b4a85b9
1371881caa2640
14322405013a45
1517245e95ae40
hexb9e499d035d

12774467765085 has 64 divisors (see below), whose sum is σ = 22196903608320. Its totient is φ = 6236019498240.

The previous prime is 12774467765071. The next prime is 12774467765177. The reversal of 12774467765085 is 58056776447721.

It is not a de Polignac number, because 12774467765085 - 24 = 12774467765069 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45203856 + ... + 45485574.

It is an arithmetic number, because the mean of its divisors is an integer number (346826618880).

Almost surely, 212774467765085 is an apocalyptic number.

12774467765085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12774467765085 is a deficient number, since it is larger than the sum of its proper divisors (9422435843235).

12774467765085 is a wasteful number, since it uses less digits than its factorization.

12774467765085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283698.

The product of its (nonzero) digits is 553190400, while the sum is 69.

The spelling of 12774467765085 in words is "twelve trillion, seven hundred seventy-four billion, four hundred sixty-seven million, seven hundred sixty-five thousand, eighty-five".

Divisors: 1 3 5 13 15 39 65 127 195 381 635 1651 1831 1905 4953 5493 8255 9155 23803 24765 27465 71409 119015 232537 281719 357045 697611 845157 1162685 1408595 3022981 3488055 3662347 4225785 9068943 10987041 15114905 18311735 35778313 45344715 54935205 107334939 178891565 465118069 515827489 536674695 1395354207 1547482467 2325590345 2579137445 6705757357 6976771035 7737412335 20117272071 33528786785 65510091103 100586360355 196530273309 327550455515 851631184339 982651366545 2554893553017 4258155921695 12774467765085