Search a number
-
+
138082719 = 3424110853
BaseRepresentation
bin10000011101011…
…11100110011111
3100121211022212210
420032233212133
5240322121334
621411331503
73264453345
oct1016574637
9317738783
10138082719
1170a42655
123a2b0b93
13227b8768
14144a5995
15c1c85e9
hex83af99f

138082719 has 8 divisors (see below), whose sum is σ = 184170672. Its totient is φ = 92024960.

The previous prime is 138082691. The next prime is 138082729. The reversal of 138082719 is 917280831.

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

It is a cyclic number.

It is not a de Polignac number, because 138082719 - 211 = 138080671 is a prime.

It is a super-2 number, since 2×1380827192 = 38133674572865922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138082729) by changing a digit.

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, 7297 + ... + 18149.

It is an arithmetic number, because the mean of its divisors is an integer number (23021334).

Almost surely, 2138082719 is an apocalyptic number.

138082719 is a deficient number, since it is larger than the sum of its proper divisors (46087953).

138082719 is a wasteful number, since it uses less digits than its factorization.

138082719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15097.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 138082719 is about 11750.8603514807. The cubic root of 138082719 is about 516.8681564919.

The spelling of 138082719 in words is "one hundred thirty-eight million, eighty-two thousand, seven hundred nineteen".

Divisors: 1 3 4241 10853 12723 32559 46027573 138082719