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8689970992 = 244113246907
BaseRepresentation
bin10000001011111011…
…00110111100110000
3211102121201021011111
420011331212330300
5120244113032432
63554144123104
7425226351253
oct100575467460
924377637144
108689970992
11375a29790a
121826306494
13a86480691
145c619109a
1535cd8b347
hex205f66f30

8689970992 has 20 divisors (see below), whose sum is σ = 17247474216. Its totient is φ = 4239009920.

The previous prime is 8689970987. The next prime is 8689971049. The reversal of 8689970992 is 2990799868.

8689970992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6622798 + ... + 6624109.

Almost surely, 28689970992 is an apocalyptic number.

8689970992 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

8689970992 is a deficient number, since it is larger than the sum of its proper divisors (8557503224).

8689970992 is a wasteful number, since it uses less digits than its factorization.

8689970992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13246956 (or 13246950 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 67.

The square root of 8689970992 is about 93220.0139025950. The cubic root of 8689970992 is about 2055.9195149344.

The spelling of 8689970992 in words is "eight billion, six hundred eighty-nine million, nine hundred seventy thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 41 82 164 328 656 13246907 26493814 52987628 105975256 211950512 543123187 1086246374 2172492748 4344985496 8689970992