Base | Representation |
---|---|
bin | 1111111110000101101… |
… | …10111010000110011001 |
3 | 1221110100221100020011022 |
4 | 13333002312322012121 |
5 | 32442244341121444 |
6 | 1100025540412225 |
7 | 54434020133255 |
oct | 7770266720631 |
9 | 1843327306138 |
10 | 548730020249 |
11 | 1a1795877a04 |
12 | 8a4206a7075 |
13 | 3c98ba63a98 |
14 | 1c7b7009265 |
15 | e418c679ee |
hex | 7fc2dba199 |
548730020249 has 4 divisors (see below), whose sum is σ = 548781734436. Its totient is φ = 548678306064.
The previous prime is 548730020231. The next prime is 548730020261. The reversal of 548730020249 is 942020037845.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 438187069849 + 110542950400 = 661957^2 + 332480^2 .
It is a cyclic number.
It is not a de Polignac number, because 548730020249 - 224 = 548713243033 is a prime.
It is a super-2 number, since 2×5487300202492 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (548730020549) 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 3 ways as a sum of consecutive naturals, for example, 25841174 + ... + 25862399.
It is an arithmetic number, because the mean of its divisors is an integer number (137195433609).
Almost surely, 2548730020249 is an apocalyptic number.
It is an amenable number.
548730020249 is a deficient number, since it is larger than the sum of its proper divisors (51714187).
548730020249 is a wasteful number, since it uses less digits than its factorization.
548730020249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51714186.
The product of its (nonzero) digits is 483840, while the sum is 44.
The spelling of 548730020249 in words is "five hundred forty-eight billion, seven hundred thirty million, twenty thousand, two hundred forty-nine".
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