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136788068 = 22191799843
BaseRepresentation
bin10000010011100…
…11100001100100
3100112101112221202
420021303201210
5240004204233
621323502032
73250452014
oct1011634144
9315345852
10136788068
117023899a
1239987918
13224543b1
1414249c44
15c01ebe8
hex8273864

136788068 has 12 divisors (see below), whose sum is σ = 251978160. Its totient is φ = 64794312.

The previous prime is 136788059. The next prime is 136788083. The reversal of 136788068 is 860887631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899846 + ... + 899997.

It is an arithmetic number, because the mean of its divisors is an integer number (20998180).

Almost surely, 2136788068 is an apocalyptic number.

It is an amenable number.

136788068 is a deficient number, since it is larger than the sum of its proper divisors (115190092).

136788068 is a wasteful number, since it uses less digits than its factorization.

136788068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799866 (or 1799864 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 136788068 is about 11695.6431204103. The cubic root of 136788068 is about 515.2477119198.

The spelling of 136788068 in words is "one hundred thirty-six million, seven hundred eighty-eight thousand, sixty-eight".

Divisors: 1 2 4 19 38 76 1799843 3599686 7199372 34197017 68394034 136788068