Base | Representation |
---|---|
bin | 1010011101001110… |
… | …1111011010011001 |
3 | 21020121210211222012 |
4 | 2213103233122121 |
5 | 21222041020014 |
6 | 1142311035305 |
7 | 126362565014 |
oct | 24723573231 |
9 | 7217724865 |
10 | 2806970009 |
11 | 1210509128 |
12 | 66406bb35 |
13 | 3596ca8cc |
14 | 1c8b1a37b |
15 | 116664c3e |
hex | a74ef699 |
2806970009 has 2 divisors, whose sum is σ = 2806970010. Its totient is φ = 2806970008.
The previous prime is 2806969999. The next prime is 2806970069. The reversal of 2806970009 is 9000796082.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1760641600 + 1046328409 = 41960^2 + 32347^2 .
It is a cyclic number.
It is not a de Polignac number, because 2806970009 - 24 = 2806969993 is a prime.
It is not a weakly prime, because it can be changed into another prime (2806970069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403485004 + 1403485005.
It is an arithmetic number, because the mean of its divisors is an integer number (1403485005).
Almost surely, 22806970009 is an apocalyptic number.
It is an amenable number.
2806970009 is a deficient number, since it is larger than the sum of its proper divisors (1).
2806970009 is an equidigital number, since it uses as much as digits as its factorization.
2806970009 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 54432, while the sum is 41.
The square root of 2806970009 is about 52980.8456803022. The cubic root of 2806970009 is about 1410.6282948445.
The spelling of 2806970009 in words is "two billion, eight hundred six million, nine hundred seventy thousand, nine".
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