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136208743 = 11177110259
BaseRepresentation
bin10000001111001…
…10000101100111
3100111022010021021
420013212011213
5234332134433
621303232011
73242520016
oct1007460547
9314263237
10136208743
116a982710
1239748607
13222b07b8
1414138a7d
15be5822d
hex81e6167

136208743 has 16 divisors (see below), whose sum is σ = 159563520. Its totient is φ = 114889600.

The previous prime is 136208671. The next prime is 136208843. The reversal of 136208743 is 347802631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 136208743 - 213 = 136200551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136208699 and 136208708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136208143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8148 + ... + 18406.

It is an arithmetic number, because the mean of its divisors is an integer number (9972720).

Almost surely, 2136208743 is an apocalyptic number.

136208743 is a deficient number, since it is larger than the sum of its proper divisors (23354777).

136208743 is a wasteful number, since it uses less digits than its factorization.

136208743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10358.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 136208743 is about 11670.8501404139. The cubic root of 136208743 is about 514.5192900233.

The spelling of 136208743 in words is "one hundred thirty-six million, two hundred eight thousand, seven hundred forty-three".

Divisors: 1 11 17 71 187 781 1207 10259 13277 112849 174403 728389 1918433 8012279 12382613 136208743