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11686068478 = 271516155057
BaseRepresentation
bin10101110001000101…
…10100000011111110
31010011102101210021001
422320202310003332
5142413113142403
65211333000514
7562406641330
oct127042640376
933142353231
1011686068478
114a57532237
12232178313a
1311430c9826
147cc05d450
15485e0dc1d
hex2b88b40fe

11686068478 has 16 divisors (see below), whose sum is σ = 20034945504. Its totient is φ = 5007893760.

The previous prime is 11686068467. The next prime is 11686068487. The reversal of 11686068478 is 87486068611.

It is a happy number.

11686068478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184726 + ... + 239782.

It is an arithmetic number, because the mean of its divisors is an integer number (1252184094).

Almost surely, 211686068478 is an apocalyptic number.

11686068478 is a deficient number, since it is larger than the sum of its proper divisors (8348877026).

11686068478 is a wasteful number, since it uses less digits than its factorization.

11686068478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70227.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 11686068478 in words is "eleven billion, six hundred eighty-six million, sixty-eight thousand, four hundred seventy-eight".

Divisors: 1 2 7 14 15161 30322 55057 106127 110114 212254 385399 770798 834719177 1669438354 5843034239 11686068478