Search a number
-
+
8681410997 = 724314712801
BaseRepresentation
bin10000001010111001…
…11101000110110101
3211102000121101001122
420011130331012311
5120234420122442
63553240433325
7425063530100
oct100534750665
924360541048
108681410997
113755480636
121823478845
13a847743ac
145c4da3737
1535c249dd2
hex20573d1b5

8681410997 has 24 divisors (see below), whose sum is σ = 10344356352. Its totient is φ = 7260624000.

The previous prime is 8681410987. The next prime is 8681411059. The reversal of 8681410997 is 7990141868.

8681410997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8681410997 - 224 = 8664633781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8681410957) 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 23 ways as a sum of consecutive naturals, for example, 3097997 + ... + 3100797.

It is an arithmetic number, because the mean of its divisors is an integer number (431014848).

Almost surely, 28681410997 is an apocalyptic number.

It is an amenable number.

8681410997 is a deficient number, since it is larger than the sum of its proper divisors (1662945355).

8681410997 is a wasteful number, since it uses less digits than its factorization.

8681410997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329 (or 4322 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 53.

The square root of 8681410997 is about 93174.0897299244. The cubic root of 8681410997 is about 2055.2442367918.

The spelling of 8681410997 in words is "eight billion, six hundred eighty-one million, four hundred ten thousand, nine hundred ninety-seven".

Divisors: 1 7 43 49 301 1471 2107 2801 10297 19607 63253 72079 120443 137249 442771 843101 3099397 4120271 5901707 28841897 177171653 201893279 1240201571 8681410997