Base | Representation |
---|---|
bin | 110010110001010101… |
… | …011000000010010000 |
3 | 12012201020011200002100 |
4 | 302301111120002100 |
5 | 1343121240401011 |
6 | 41013240520400 |
7 | 3636632653401 |
oct | 626125300220 |
9 | 165636150070 |
10 | 54514778256 |
11 | 21135197854 |
12 | a694a80100 |
13 | 51aa21bc53 |
14 | 28d21a59a8 |
15 | 1640e01d56 |
hex | cb1558090 |
54514778256 has 45 divisors (see below), whose sum is σ = 152573505721. Its totient is φ = 18170658816.
The previous prime is 54514778251. The next prime is 54514778257. The reversal of 54514778256 is 65287741545.
It is a happy number.
The square root of 54514778256 is 233484.
It is a perfect power (a square), and thus also a powerful number.
54514778256 is a `hidden beast` number, since 5 + 4 + 514 + 7 + 78 + 2 + 56 = 666.
It can be written as a sum of positive squares in only one way, i.e., 44276576400 + 10238201856 = 210420^2 + 101184^2 .
It is a super-2 number, since 2×545147782562 (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 (54514778251) 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 in 8 ways as a sum of consecutive naturals, for example, 2792080 + ... + 2811536.
Almost surely, 254514778256 is an apocalyptic number.
54514778256 is the 233484-th square number.
It is an amenable number.
54514778256 is an abundant number, since it is smaller than the sum of its proper divisors (98058727465).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54514778256 is an frugal number, since it uses more digits than its factorization.
54514778256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38928 (or 19462 counting only the distinct ones).
The product of its digits is 9408000, while the sum is 54.
The spelling of 54514778256 in words is "fifty-four billion, five hundred fourteen million, seven hundred seventy-eight thousand, two hundred fifty-six".
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