Base | Representation |
---|---|
bin | 100001010110000… |
… | …1001011001100011 |
3 | 2212222100102211222 |
4 | 1002230021121203 |
5 | 4242412302331 |
6 | 303005125255 |
7 | 36504142004 |
oct | 10254113143 |
9 | 2788312758 |
10 | 1118869091 |
11 | 5246329aa |
12 | 27285982b |
13 | 14aa59422 |
14 | a88511ab |
15 | 68361b7b |
hex | 42b09663 |
1118869091 has 2 divisors, whose sum is σ = 1118869092. Its totient is φ = 1118869090.
The previous prime is 1118869051. The next prime is 1118869123. The reversal of 1118869091 is 1909688111.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1118869091 - 26 = 1118869027 is a prime.
It is not a weakly prime, because it can be changed into another prime (1118869051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559434545 + 559434546.
It is an arithmetic number, because the mean of its divisors is an integer number (559434546).
Almost surely, 21118869091 is an apocalyptic number.
1118869091 is a deficient number, since it is larger than the sum of its proper divisors (1).
1118869091 is an equidigital number, since it uses as much as digits as its factorization.
1118869091 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 31104, while the sum is 44.
The square root of 1118869091 is about 33449.5006091272. The cubic root of 1118869091 is about 1038.1491646619.
The spelling of 1118869091 in words is "one billion, one hundred eighteen million, eight hundred sixty-nine thousand, ninety-one".
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