Base | Representation |
---|---|
bin | 1111010100010010… |
… | …00001011011011001 |
3 | 210020002101220002110 |
4 | 13222021001123121 |
5 | 113320114412420 |
6 | 3435551422533 |
7 | 410531024616 |
oct | 75211013331 |
9 | 23202356073 |
10 | 8223200985 |
11 | 353a86767a |
12 | 1715b24a49 |
13 | a108617cc |
14 | 5801a950d |
15 | 331dd8ee0 |
hex | 1ea2416d9 |
8223200985 has 32 divisors (see below), whose sum is σ = 13992538752. Its totient is φ = 4109511680.
The previous prime is 8223200963. The next prime is 8223201031. The reversal of 8223200985 is 5890023228.
It is not a de Polignac number, because 8223200985 - 211 = 8223198937 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13146 + ... + 128915.
It is an arithmetic number, because the mean of its divisors is an integer number (437266836).
Almost surely, 28223200985 is an apocalyptic number.
8223200985 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
8223200985 is a deficient number, since it is larger than the sum of its proper divisors (5769337767).
8223200985 is a wasteful number, since it uses less digits than its factorization.
8223200985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142313.
The product of its (nonzero) digits is 69120, while the sum is 39.
The square root of 8223200985 is about 90681.8669029261. The cubic root of 8223200985 is about 2018.4297329098.
The spelling of 8223200985 in words is "eight billion, two hundred twenty-three million, two hundred thousand, nine hundred eighty-five".
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