Search a number
-
+
187168027317 = 3411521691279
BaseRepresentation
bin1010111001010000010…
…1010111001010110101
3122220010001122221011220
42232110011113022311
511031310003333232
6221552300220553
716344124660635
oct2562405271265
9586101587156
10187168027317
11724175211a7
123033623a759
131485a9bb92b
1490b7bb46c5
154d06b6342c
hex2b941572b5

187168027317 has 8 divisors (see below), whose sum is σ = 255644135040. Its totient is φ = 121735302240.

The previous prime is 187168027313. The next prime is 187168027339. The reversal of 187168027317 is 713720861781.

187168027317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 187168027317 - 22 = 187168027313 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 187168027317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187168027313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760845517 + ... + 760845762.

It is an arithmetic number, because the mean of its divisors is an integer number (31955516880).

Almost surely, 2187168027317 is an apocalyptic number.

It is an amenable number.

187168027317 is a deficient number, since it is larger than the sum of its proper divisors (68476107723).

187168027317 is a wasteful number, since it uses less digits than its factorization.

187168027317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521691323.

The product of its (nonzero) digits is 790272, while the sum is 51.

The spelling of 187168027317 in words is "one hundred eighty-seven billion, one hundred sixty-eight million, twenty-seven thousand, three hundred seventeen".

Divisors: 1 3 41 123 1521691279 4565073837 62389342439 187168027317