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8975656971 = 32997295219
BaseRepresentation
bin10000101101111110…
…11010100000001011
3212011112021121122200
420112333122200023
5121340232010341
64042351251243
7435265553061
oct102677324013
925145247580
108975656971
113896584a26
1218a5b19b23
13b00709138
146120ba031
15377ebddb6
hex216fda80b

8975656971 has 6 divisors (see below), whose sum is σ = 12964837860. Its totient is φ = 5983771308.

The previous prime is 8975656903. The next prime is 8975656979. The reversal of 8975656971 is 1796565798.

8975656971 is a `hidden beast` number, since 8 + 9 + 7 + 565 + 69 + 7 + 1 = 666.

8975656971 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 8975656971 - 214 = 8975640587 is a prime.

It is a super-2 number, since 2×89756569712 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8975656899 and 8975656908.

It is not an unprimeable number, because it can be changed into a prime (8975656979) 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 5 ways as a sum of consecutive naturals, for example, 498647601 + ... + 498647618.

It is an arithmetic number, because the mean of its divisors is an integer number (2160806310).

Almost surely, 28975656971 is an apocalyptic number.

8975656971 is a deficient number, since it is larger than the sum of its proper divisors (3989180889).

8975656971 is a wasteful number, since it uses less digits than its factorization.

8975656971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997295225 (or 997295222 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 63.

The square root of 8975656971 is about 94739.9439043532. The cubic root of 8975656971 is about 2078.2067392655.

The spelling of 8975656971 in words is "eight billion, nine hundred seventy-five million, six hundred fifty-six thousand, nine hundred seventy-one".

Divisors: 1 3 9 997295219 2991885657 8975656971