Search a number
-
+
8682193538 = 241216072
BaseRepresentation
bin10000001010111111…
…11100001010000010
3211102002002010111122
420011133330022002
5120240120143123
63553305312242
7425103266414
oct100537741202
924362063448
108682193538
113755965567
121823795682
13a84989635
145c51289b4
1535c351bc8
hex2057fc282

8682193538 has 18 divisors (see below), whose sum is σ = 13356990633. Its totient is φ = 4232580880.

The previous prime is 8682193517. The next prime is 8682193567. The reversal of 8682193538 is 8353912868.

It can be written as a sum of positive squares in 2 ways, for example, as 6200460049 + 2481733489 = 78743^2 + 49817^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=65887.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8682193538.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5401931 + ... + 5403537.

Almost surely, 28682193538 is an apocalyptic number.

8682193538 is a deficient number, since it is larger than the sum of its proper divisors (4674797095).

8682193538 is an frugal number, since it uses more digits than its factorization.

8682193538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298 (or 1650 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The square root of 8682193538 is about 93178.2889840761. The cubic root of 8682193538 is about 2055.3059880655.

The spelling of 8682193538 in words is "eight billion, six hundred eighty-two million, one hundred ninety-three thousand, five hundred thirty-eight".

Divisors: 1 2 41 82 1607 1681 3214 3362 65887 131774 2582449 2701367 5164898 5402734 105880409 211760818 4341096769 8682193538