Base | Representation |
---|---|
bin | 111110111101111… |
… | …1101000111000001 |
3 | 12110020201212010001 |
4 | 1331323331013001 |
5 | 13311343300201 |
6 | 545354040001 |
7 | 103234042231 |
oct | 17573750701 |
9 | 5406655101 |
10 | 2112868801 |
11 | 99472866a |
12 | 4ab719001 |
13 | 278975434 |
14 | 160879cc1 |
15 | c575a301 |
hex | 7defd1c1 |
2112868801 has 2 divisors, whose sum is σ = 2112868802. Its totient is φ = 2112868800.
The previous prime is 2112868789. The next prime is 2112868819. The reversal of 2112868801 is 1088682112.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1796064400 + 316804401 = 42380^2 + 17799^2 .
It is a cyclic number.
It is not a de Polignac number, because 2112868801 - 27 = 2112868673 is a prime.
It is not a weakly prime, because it can be changed into another prime (2112868201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056434400 + 1056434401.
It is an arithmetic number, because the mean of its divisors is an integer number (1056434401).
Almost surely, 22112868801 is an apocalyptic number.
It is an amenable number.
2112868801 is a deficient number, since it is larger than the sum of its proper divisors (1).
2112868801 is an equidigital number, since it uses as much as digits as its factorization.
2112868801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12288, while the sum is 37.
The square root of 2112868801 is about 45965.9526280050. The cubic root of 2112868801 is about 1283.1896364809.
The spelling of 2112868801 in words is "two billion, one hundred twelve million, eight hundred sixty-eight thousand, eight hundred one".
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