Base | Representation |
---|---|
bin | 1111111101100011000… |
… | …00010001000100010100 |
3 | 1221102121122111101022102 |
4 | 13332301200101010110 |
5 | 32441200322403330 |
6 | 1055541020221232 |
7 | 54423553332452 |
oct | 7766140210424 |
9 | 1842548441272 |
10 | 548438872340 |
11 | 1a165649a1a7 |
12 | 8a35b09a818 |
13 | 3c943645208 |
14 | 1c78a49b9d2 |
15 | e3ed406945 |
hex | 7fb1811114 |
548438872340 has 48 divisors (see below), whose sum is σ = 1179631252800. Its totient is φ = 214069175040.
The previous prime is 548438872327. The next prime is 548438872343. The reversal of 548438872340 is 43278834845.
It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (548438872343) 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 in 15 ways as a sum of consecutive naturals, for example, 598175 + ... + 1206105.
It is an arithmetic number, because the mean of its divisors is an integer number (24575651100).
Almost surely, 2548438872340 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 548438872340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589815626400).
548438872340 is an abundant number, since it is smaller than the sum of its proper divisors (631192380460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
548438872340 is a wasteful number, since it uses less digits than its factorization.
548438872340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 609032 (or 609030 counting only the distinct ones).
The product of its (nonzero) digits is 20643840, while the sum is 56.
The spelling of 548438872340 in words is "five hundred forty-eight billion, four hundred thirty-eight million, eight hundred seventy-two thousand, three hundred forty".
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