Base | Representation |
---|---|
bin | 1111000101100111… |
… | …11000110001110110 |
3 | 202220111222210220222 |
4 | 13202303320301312 |
5 | 113042124020042 |
6 | 3415435454342 |
7 | 404505506546 |
oct | 74263706166 |
9 | 22814883828 |
10 | 8100220022 |
11 | 34873aa214 |
12 | 16a08b73b2 |
13 | 9c1232acb |
14 | 56bb15326 |
15 | 3261e52d2 |
hex | 1e2cf8c76 |
8100220022 has 8 divisors (see below), whose sum is σ = 12446679672. Its totient is φ = 3951326800.
The previous prime is 8100220021. The next prime is 8100220067. The reversal of 8100220022 is 2200220018.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×81002200222 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8100220021) 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 3 ways as a sum of consecutive naturals, for example, 49391504 + ... + 49391667.
It is an arithmetic number, because the mean of its divisors is an integer number (1555834959).
Almost surely, 28100220022 is an apocalyptic number.
8100220022 is a gapful number since it is divisible by the number (82) formed by its first and last digit.
8100220022 is a deficient number, since it is larger than the sum of its proper divisors (4346459650).
8100220022 is a wasteful number, since it uses less digits than its factorization.
8100220022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98783214.
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 8100220022 is about 90001.2223361439. Note that the first 3 decimals coincide. The cubic root of 8100220022 is about 2008.3170340296.
The spelling of 8100220022 in words is "eight billion, one hundred million, two hundred twenty thousand, twenty-two".
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