Search a number
-
+
8974713681 = 33332396803
BaseRepresentation
bin10000101101110111…
…10100001101010001
3212011110111200201000
420112323310031101
5121340011314211
64042315132213
7435254544003
oct102673641521
925143450630
108974713681
113895aa024a
1218a5744069
13b0046898b
14611d12373
15377d84656
hex216ef4351

8974713681 has 8 divisors (see below), whose sum is σ = 13295872160. Its totient is φ = 5983142436.

The previous prime is 8974713679. The next prime is 8974713691. The reversal of 8974713681 is 1863174798.

8974713681 is a `hidden beast` number, since 8 + 97 + 471 + 3 + 6 + 81 = 666.

8974713681 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 8974713681 - 21 = 8974713679 is a prime.

It is a super-2 number, since 2×89747136812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8974713641) 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, 166198375 + ... + 166198428.

It is an arithmetic number, because the mean of its divisors is an integer number (1661984020).

Almost surely, 28974713681 is an apocalyptic number.

It is an amenable number.

8974713681 is a deficient number, since it is larger than the sum of its proper divisors (4321158479).

8974713681 is a wasteful number, since it uses less digits than its factorization.

8974713681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332396812 (or 332396806 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 8974713681 is about 94734.9654615443. The cubic root of 8974713681 is about 2078.1339341839.

The spelling of 8974713681 in words is "eight billion, nine hundred seventy-four million, seven hundred thirteen thousand, six hundred eighty-one".

Divisors: 1 3 9 27 332396803 997190409 2991571227 8974713681