Search a number
-
+
8386940793 = 372115186729
BaseRepresentation
bin1111100111110011…
…01000111101111001
3210122111111201212210
413303321220331321
5114134024101133
63504121125333
7414556551300
oct76371507571
923574451783
108386940793
113614233830
121760929849
13a3876157a
14597c2d437
1534147e763
hex1f3e68f79

8386940793 has 24 divisors (see below), whose sum is σ = 14190893280. Its totient is φ = 4356851520.

The previous prime is 8386940759. The next prime is 8386940797. The reversal of 8386940793 is 3970496838.

It is a happy number.

It is not a de Polignac number, because 8386940793 - 26 = 8386940729 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8386940797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2591748 + ... + 2594981.

It is an arithmetic number, because the mean of its divisors is an integer number (591287220).

Almost surely, 28386940793 is an apocalyptic number.

It is an amenable number.

8386940793 is a deficient number, since it is larger than the sum of its proper divisors (5803952487).

8386940793 is a wasteful number, since it uses less digits than its factorization.

8386940793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186757 (or 5186750 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 57.

The square root of 8386940793 is about 91580.2423724681. The cubic root of 8386940793 is about 2031.7387283199.

The spelling of 8386940793 in words is "eight billion, three hundred eighty-six million, nine hundred forty thousand, seven hundred ninety-three".

Divisors: 1 3 7 11 21 33 49 77 147 231 539 1617 5186729 15560187 36307103 57054019 108921309 171162057 254149721 399378133 762449163 1198134399 2795646931 8386940793