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11686931758 = 217739465133
BaseRepresentation
bin10101110001001100…
…00110110100101110
31010011111000122110101
422320212012310232
5142413323304013
65211403301314
7562420165225
oct127046066456
933144018411
1011686931758
114a57a71897
122321b1a83a
13114333c748
147cc205cbc
1548602e8dd
hex2b8986d2e

11686931758 has 16 divisors (see below), whose sum is σ = 18586754640. Its totient is φ = 5492278656.

The previous prime is 11686931747. The next prime is 11686931761. The reversal of 11686931758 is 85713968611.

It is a happy number.

11686931758 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×116869317582 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11686931699 and 11686931708.

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, 207441 + ... + 257692.

It is an arithmetic number, because the mean of its divisors is an integer number (1161672165).

Almost surely, 211686931758 is an apocalyptic number.

11686931758 is a deficient number, since it is larger than the sum of its proper divisors (6899822882).

11686931758 is a wasteful number, since it uses less digits than its factorization.

11686931758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465891.

The product of its digits is 2177280, while the sum is 55.

The spelling of 11686931758 in words is "eleven billion, six hundred eighty-six million, nine hundred thirty-one thousand, seven hundred fifty-eight".

Divisors: 1 2 17 34 739 1478 12563 25126 465133 930266 7907261 15814522 343733287 687466574 5843465879 11686931758