Base | Representation |
---|---|
bin | 111110111100100… |
… | …0110100010011010 |
3 | 12110012022212022012 |
4 | 1331321012202122 |
5 | 13311200332421 |
6 | 545330025522 |
7 | 103224506063 |
oct | 17571064232 |
9 | 5405285265 |
10 | 2112120986 |
11 | 994267838 |
12 | 4ab4182a2 |
13 | 278772c41 |
14 | 16072356a |
15 | c565d95b |
hex | 7de4689a |
2112120986 has 16 divisors (see below), whose sum is σ = 3246967080. Its totient is φ = 1029822720.
The previous prime is 2112120979. The next prime is 2112121007. The reversal of 2112120986 is 6890212112.
It can be written as a sum of positive squares in 4 ways, for example, as 1146838225 + 965282761 = 33865^2 + 31069^2 .
It is a super-2 number, since 2×21121209862 = 8922110119003224392, which contains 22 as substring.
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, 224750 + ... + 233958.
Almost surely, 22112120986 is an apocalyptic number.
2112120986 is a deficient number, since it is larger than the sum of its proper divisors (1134846094).
2112120986 is a wasteful number, since it uses less digits than its factorization.
2112120986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12049.
The product of its (nonzero) digits is 3456, while the sum is 32.
The square root of 2112120986 is about 45957.8174634088. The cubic root of 2112120986 is about 1283.0382306939.
The spelling of 2112120986 in words is "two billion, one hundred twelve million, one hundred twenty thousand, nine hundred eighty-six".
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