Base | Representation |
---|---|
bin | 110001101101110111… |
… | …001001100101000010 |
3 | 12002210100010021010022 |
4 | 301231313021211002 |
5 | 1333311443000000 |
6 | 40305042133442 |
7 | 3566606103521 |
oct | 615567114502 |
9 | 162710107108 |
10 | 53382781250 |
11 | 20704208737 |
12 | a419951282 |
13 | 5059847336 |
14 | 2825ad84b8 |
15 | 15c684a585 |
hex | c6ddc9942 |
53382781250 has 42 divisors (see below), whose sum is σ = 100168073301. Its totient is φ = 21336775000.
The previous prime is 53382781241. The next prime is 53382781253. The reversal of 53382781250 is 5218728335.
53382781250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 9103258921 + 44279522329 = 95411^2 + 210427^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=163375.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53382781253) by changing a digit.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 40843097 + ... + 40844403.
Almost surely, 253382781250 is an apocalyptic number.
53382781250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
53382781250 is a deficient number, since it is larger than the sum of its proper divisors (46785292051).
53382781250 is an frugal number, since it uses more digits than its factorization.
53382781250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2646 (or 1314 counting only the distinct ones).
The product of its (nonzero) digits is 403200, while the sum is 44.
The spelling of 53382781250 in words is "fifty-three billion, three hundred eighty-two million, seven hundred eighty-one thousand, two hundred fifty".
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