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142686206 = 21329189239
BaseRepresentation
bin10001000000100…
…11011111111110
3100221111012200022
420200103133332
5243011424311
622054132142
73351545525
oct1040233776
9327435608
10142686206
11735a7293
123b951052
132373ac10
1414d434bc
15c7d75db
hex88137fe

142686206 has 16 divisors (see below), whose sum is σ = 238442400. Its totient is φ = 63583968.

The previous prime is 142686197. The next prime is 142686223. The reversal of 142686206 is 602686241.

142686206 is digitally balanced in base 3, 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93866 + ... + 95373.

It is an arithmetic number, because the mean of its divisors is an integer number (14902650).

Almost surely, 2142686206 is an apocalyptic number.

142686206 is a deficient number, since it is larger than the sum of its proper divisors (95756194).

142686206 is a wasteful number, since it uses less digits than its factorization.

142686206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189283.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 142686206 is about 11945.1331512043. The cubic root of 142686206 is about 522.5493719514.

Adding to 142686206 its sum of digits (35), we get a palindrome (142686241).

The spelling of 142686206 in words is "one hundred forty-two million, six hundred eighty-six thousand, two hundred six".

Divisors: 1 2 13 26 29 58 377 754 189239 378478 2460107 4920214 5487931 10975862 71343103 142686206