Base | Representation |
---|---|
bin | 110010110010000001… |
… | …111010010101011001 |
3 | 12012202001010210221021 |
4 | 302302001322111121 |
5 | 1343132232444311 |
6 | 41014335042441 |
7 | 3640134126652 |
oct | 626201722531 |
9 | 165661123837 |
10 | 54526453081 |
11 | 21140841271 |
12 | a698970421 |
13 | 51ac778c29 |
14 | 28d3964529 |
15 | 1641e5b171 |
hex | cb207a559 |
54526453081 has 3 divisors (see below), whose sum is σ = 54526686591. Its totient is φ = 54526219572.
The previous prime is 54526453067. The next prime is 54526453129. The reversal of 54526453081 is 18035462545.
The square root of 54526453081 is 233509.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 246772681 + 54279680400 = 15709^2 + 232980^2 .
It is not a de Polignac number, because 54526453081 - 221 = 54524355929 is a prime.
It is a super-2 number, since 2×545264530812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54526453031) 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 2 ways as a sum of consecutive naturals, for example, 116755 + ... + 350263.
It is an arithmetic number, because the mean of its divisors is an integer number (18175562197).
Almost surely, 254526453081 is an apocalyptic number.
54526453081 is the 233509-th square number.
54526453081 is the 116755-th centered octagonal number.
It is an amenable number.
54526453081 is a deficient number, since it is larger than the sum of its proper divisors (233510).
54526453081 is an frugal number, since it uses more digits than its factorization.
54526453081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 467018 (or 233509 counting only the distinct ones).
The product of its (nonzero) digits is 576000, while the sum is 43.
The spelling of 54526453081 in words is "fifty-four billion, five hundred twenty-six million, four hundred fifty-three thousand, eighty-one".
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