Search a number
-
+
66005106146 = 276771879791
BaseRepresentation
bin111101011110001101…
…011111110111100010
320022101000020210201222
4331132031133313202
52040134301344041
650153342255042
74524445100540
oct753615376742
9208330223658
1066005106146
1125aa1186201
1210960b87482
1362bb8c3135
1432a2230d90
151ab4a4874b
hexf5e35fde2

66005106146 has 32 divisors (see below), whose sum is σ = 114868150272. Its totient is φ = 27858972240.

The previous prime is 66005106109. The next prime is 66005106161. The reversal of 66005106146 is 64160150066.

It is a Curzon number.

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, 6736511 + ... + 6746301.

It is an arithmetic number, because the mean of its divisors is an integer number (3589629696).

Almost surely, 266005106146 is an apocalyptic number.

66005106146 is a deficient number, since it is larger than the sum of its proper divisors (48863044126).

66005106146 is a wasteful number, since it uses less digits than its factorization.

66005106146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17054.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 66005106146 in words is "sixty-six billion, five million, one hundred six thousand, one hundred forty-six".

Divisors: 1 2 7 14 67 134 469 938 7187 9791 14374 19582 50309 68537 100618 137074 481529 655997 963058 1311994 3370703 4591979 6741406 9183958 70367917 140735834 492575419 985150838 4714650439 9429300878 33002553073 66005106146