Base | Representation |
---|---|
bin | 111011010111101… |
… | …0001000001101000 |
3 | 12010211111021012021 |
4 | 1312233101001220 |
5 | 13034434230432 |
6 | 525401354224 |
7 | 100236405346 |
oct | 16657210150 |
9 | 5124437167 |
10 | 1992101992 |
11 | 932542791 |
12 | 477198974 |
13 | 25994049a |
14 | 14c800996 |
15 | b9d52697 |
hex | 76bd1068 |
1992101992 has 16 divisors (see below), whose sum is σ = 3739463460. Its totient is φ = 994911744.
The previous prime is 1992101983. The next prime is 1992102029. The reversal of 1992101992 is 2991012991.
It can be written as a sum of positive squares in 2 ways, for example, as 1597920676 + 394181316 = 39974^2 + 19854^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134953 + ... + 148984.
Almost surely, 21992101992 is an apocalyptic number.
It is an amenable number.
1992101992 is a deficient number, since it is larger than the sum of its proper divisors (1747361468).
1992101992 is a wasteful number, since it uses less digits than its factorization.
1992101992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284820 (or 284816 counting only the distinct ones).
The product of its (nonzero) digits is 26244, while the sum is 43.
The square root of 1992101992 is about 44632.9697869187. The cubic root of 1992101992 is about 1258.2603842257.
The spelling of 1992101992 in words is "one billion, nine hundred ninety-two million, one hundred one thousand, nine hundred ninety-two".
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