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64160086486418 = 21389113245370949
BaseRepresentation
bin11101001011010011011110…
…01010011110110110010010
322102011122101202001022221222
432211221233022132312102
531402144324120031133
6344242423053245042
716341261516554666
oct1645515712366622
9272148352038858
1064160086486418
111949715a19840a
1272427a3193782
1329a5368805420
1411bb516c608a6
15763e3edd0e98
hex3a5a6f29ed92

64160086486418 has 32 divisors (see below), whose sum is σ = 105735249774000. Its totient is φ = 29020512761856.

The previous prime is 64160086486361. The next prime is 64160086486453. The reversal of 64160086486418 is 81468468006146.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3267768443809 + 60892318042609 = 1807697^2 + 7803353^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122423993 + ... + 122946956.

Almost surely, 264160086486418 is an apocalyptic number.

64160086486418 is a deficient number, since it is larger than the sum of its proper divisors (41575163287582).

64160086486418 is a wasteful number, since it uses less digits than its factorization.

64160086486418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245371166.

The product of its (nonzero) digits is 42467328, while the sum is 62.

The spelling of 64160086486418 in words is "sixty-four trillion, one hundred sixty billion, eighty-six million, four hundred eighty-six thousand, four hundred eighteen".

Divisors: 1 2 13 26 89 113 178 226 1157 1469 2314 2938 10057 20114 130741 261482 245370949 490741898 3189822337 6379644674 21838014461 27726917237 43676028922 55453834474 283894187993 360449924081 567788375986 720899848162 2467695634093 4935391268186 32080043243209 64160086486418