Base | Representation |
---|---|
bin | 1010111100011110… |
… | …0101011000001101 |
3 | 21120202100220120111 |
4 | 2233013211120031 |
5 | 22004112012114 |
6 | 1203311320021 |
7 | 132543411214 |
oct | 25707453015 |
9 | 7522326514 |
10 | 2938000909 |
11 | 1278474628 |
12 | 69bb20011 |
13 | 37a8b769c |
14 | 1dc2a807b |
15 | 122de8bc4 |
hex | af1e560d |
2938000909 has 2 divisors, whose sum is σ = 2938000910. Its totient is φ = 2938000908.
The previous prime is 2938000907. The next prime is 2938000939. The reversal of 2938000909 is 9090008392.
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., 2569476100 + 368524809 = 50690^2 + 19197^2 .
It is a cyclic number.
It is not a de Polignac number, because 2938000909 - 21 = 2938000907 is a prime.
Together with 2938000907, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2938000903) by changing a digit.
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 as a sum of consecutive naturals, namely, 1469000454 + 1469000455.
It is an arithmetic number, because the mean of its divisors is an integer number (1469000455).
Almost surely, 22938000909 is an apocalyptic number.
It is an amenable number.
2938000909 is a deficient number, since it is larger than the sum of its proper divisors (1).
2938000909 is an equidigital number, since it uses as much as digits as its factorization.
2938000909 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 34992, while the sum is 40.
The square root of 2938000909 is about 54203.3293165650. The cubic root of 2938000909 is about 1432.2449796031.
The spelling of 2938000909 in words is "two billion, nine hundred thirty-eight million, nine hundred nine", and thus it is an aban number.
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