Base | Representation |
---|---|
bin | 111111011010110… |
… | …1010100100011100 |
3 | 12111022012110101120 |
4 | 1332311222210130 |
5 | 13324231402322 |
6 | 551054210540 |
7 | 103506451335 |
oct | 17665524434 |
9 | 5438173346 |
10 | 2127997212 |
11 | 9a2220890 |
12 | 4b47b3a50 |
13 | 27bb41363 |
14 | 16289728c |
15 | c6c47a5c |
hex | 7ed6a91c |
2127997212 has 24 divisors (see below), whose sum is σ = 5416720512. Its totient is φ = 644847600.
The previous prime is 2127997187. The next prime is 2127997213.
2127997212 is nontrivially palindromic in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2127997213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8060464 + ... + 8060727.
It is an arithmetic number, because the mean of its divisors is an integer number (225696688).
Almost surely, 22127997212 is an apocalyptic number.
2127997212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2127997212 is an abundant number, since it is smaller than the sum of its proper divisors (3288723300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2127997212 is a wasteful number, since it uses less digits than its factorization.
2127997212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16121209 (or 16121207 counting only the distinct ones).
The product of its digits is 63504, while the sum is 42.
The square root of 2127997212 is about 46130.2201598908. The cubic root of 2127997212 is about 1286.2449565507.
The spelling of 2127997212 in words is "two billion, one hundred twenty-seven million, nine hundred ninety-seven thousand, two hundred twelve".
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