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138093118 = 2157439787
BaseRepresentation
bin10000011101100…
…10001000111110
3100121211212010221
420032302020332
5240322434433
621411451554
73264525562
oct1016621076
9317755127
10138093118
1170a4a449
123a2b6bba
13227c0407
14144a96a2
15c1cb72d
hex83b223e

138093118 has 8 divisors (see below), whose sum is σ = 208459512. Its totient is φ = 68606616.

The previous prime is 138093113. The next prime is 138093133. The reversal of 138093118 is 811390831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138093113) 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 3 ways as a sum of consecutive naturals, for example, 219580 + ... + 220207.

It is an arithmetic number, because the mean of its divisors is an integer number (26057439).

Almost surely, 2138093118 is an apocalyptic number.

138093118 is a deficient number, since it is larger than the sum of its proper divisors (70366394).

138093118 is a wasteful number, since it uses less digits than its factorization.

138093118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439946.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 138093118 is about 11751.3028213896. The cubic root of 138093118 is about 516.8811312679.

The spelling of 138093118 in words is "one hundred thirty-eight million, ninety-three thousand, one hundred eighteen".

Divisors: 1 2 157 314 439787 879574 69046559 138093118