Base | Representation |
---|---|
bin | 1000001111011111… |
… | …1010010010110010 |
3 | 12201012011012222220 |
4 | 2003313322102302 |
5 | 14012343100421 |
6 | 1003312541510 |
7 | 105553462434 |
oct | 20367722262 |
9 | 5635135886 |
10 | 2212471986 |
11 | a35978a4a |
12 | 518b51896 |
13 | 2934aa42a |
14 | 16dba6654 |
15 | ce3823c6 |
hex | 83dfa4b2 |
2212471986 has 16 divisors (see below), whose sum is σ = 4657836000. Its totient is φ = 698675328.
The previous prime is 2212471957. The next prime is 2212472011. The reversal of 2212471986 is 6891742122.
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 7 ways as a sum of consecutive naturals, for example, 9703711 + ... + 9703938.
It is an arithmetic number, because the mean of its divisors is an integer number (291114750).
Almost surely, 22212471986 is an apocalyptic number.
2212471986 is an abundant number, since it is smaller than the sum of its proper divisors (2445364014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212471986 is a wasteful number, since it uses less digits than its factorization.
2212471986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19407673.
The product of its digits is 96768, while the sum is 42.
The square root of 2212471986 is about 47036.9215191641. The cubic root of 2212471986 is about 1303.0445380381.
The spelling of 2212471986 in words is "two billion, two hundred twelve million, four hundred seventy-one thousand, nine hundred eighty-six".
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