Base | Representation |
---|---|
bin | 10000011010001110… |
… | …10111111010111001 |
3 | 211201222111220202111 |
4 | 20031013113322321 |
5 | 121020323041020 |
6 | 4014112132321 |
7 | 431214343525 |
oct | 101507277271 |
9 | 24658456674 |
10 | 8809971385 |
11 | 3810aa9996 |
12 | 185a5370a1 |
13 | aa52a7827 |
14 | 5d80aad85 |
15 | 368691d5a |
hex | 20d1d7eb9 |
8809971385 has 8 divisors (see below), whose sum is σ = 10586511936. Its totient is φ = 7038279600.
The previous prime is 8809971383. The next prime is 8809971389. The reversal of 8809971385 is 5831799088.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8809971385 - 21 = 8809971383 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8809971383) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208191 + ... + 1215460.
It is an arithmetic number, because the mean of its divisors is an integer number (1323313992).
Almost surely, 28809971385 is an apocalyptic number.
It is an amenable number.
8809971385 is a deficient number, since it is larger than the sum of its proper divisors (1776540551).
8809971385 is a wasteful number, since it uses less digits than its factorization.
8809971385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2424383.
The product of its (nonzero) digits is 4354560, while the sum is 58.
The square root of 8809971385 is about 93861.4478100567. The cubic root of 8809971385 is about 2065.3397291778.
The spelling of 8809971385 in words is "eight billion, eight hundred nine million, nine hundred seventy-one thousand, three hundred eighty-five".
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