Base | Representation |
---|---|
bin | 1000111001011010… |
… | …1111111010101101 |
3 | 20011110001122020122 |
4 | 2032112233322231 |
5 | 14342402444414 |
6 | 1032554054325 |
7 | 113120311466 |
oct | 21626577255 |
9 | 6143048218 |
10 | 2388328109 |
11 | 1016170292 |
12 | 567a1a3a5 |
13 | 2c0a600cb |
14 | 1892a1d6d |
15 | dea1cb8e |
hex | 8e5afead |
2388328109 has 2 divisors, whose sum is σ = 2388328110. Its totient is φ = 2388328108.
The previous prime is 2388328087. The next prime is 2388328153. The reversal of 2388328109 is 9018238832.
It is an a-pointer prime, because the next prime (2388328153) can be obtained adding 2388328109 to its sum of digits (44).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2345464900 + 42863209 = 48430^2 + 6547^2 .
It is a cyclic number.
It is not a de Polignac number, because 2388328109 - 28 = 2388327853 is a prime.
It is a super-2 number, since 2×23883281092 = 11408222312479031762, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2388328109.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2388328199) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194164054 + 1194164055.
It is an arithmetic number, because the mean of its divisors is an integer number (1194164055).
Almost surely, 22388328109 is an apocalyptic number.
It is an amenable number.
2388328109 is a deficient number, since it is larger than the sum of its proper divisors (1).
2388328109 is an equidigital number, since it uses as much as digits as its factorization.
2388328109 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 165888, while the sum is 44.
The square root of 2388328109 is about 48870.5239280284. The cubic root of 2388328109 is about 1336.6919420335.
The spelling of 2388328109 in words is "two billion, three hundred eighty-eight million, three hundred twenty-eight thousand, one hundred nine".
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