Base | Representation |
---|---|
bin | 10000000000011101000… |
… | …11011111101111111111 |
3 | 1221120122110000212212100 |
4 | 20000032203133233333 |
5 | 33002344444444444 |
6 | 1100355544440143 |
7 | 54510340602162 |
oct | 10001643375777 |
9 | 1846573025770 |
10 | 549999999999 |
11 | 1a228773054a |
12 | 8a715a79053 |
13 | 3cb31bba7a8 |
14 | 1c897953ad9 |
15 | e4904c7e69 |
hex | 800e8dfbff |
549999999999 has 24 divisors (see below), whose sum is σ = 840007400960. Its totient is φ = 345810691152.
The previous prime is 549999999959. The next prime is 550000000019. The reversal of 549999999999 is 999999999945.
It is not a de Polignac number, because 549999999999 - 211 = 549999997951 is a prime.
It is a super-9 number, since 9×5499999999999 (a number of 107 digits) contains 999999999 as substring.
549999999999 is a modest number, since divided by 999999 gives 549999 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (549999999959) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7173469 + ... + 7249734.
Almost surely, 2549999999999 is an apocalyptic number.
549999999999 is a deficient number, since it is larger than the sum of its proper divisors (290007400961).
549999999999 is a wasteful number, since it uses less digits than its factorization.
549999999999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14423451 (or 14423448 counting only the distinct ones).
The product of its digits is 69735688020, while the sum is 99.
The spelling of 549999999999 in words is "five hundred forty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".
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