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54130533241 = 361314982157
BaseRepresentation
bin110010011010011011…
…100110001101111001
312011201110011000000111
4302122123212031321
51341324404030431
640511153104321
73624255640501
oct623233461571
9164643130014
1054130533241
1120a58302894
12a5a82580a1
135148735835
142897142a01
15161c3017b1
hexc9a6e6379

54130533241 has 4 divisors (see below), whose sum is σ = 54145519012. Its totient is φ = 54115547472.

The previous prime is 54130533239. The next prime is 54130533253. The reversal of 54130533241 is 14233503145.

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 26107773241 + 28022760000 = 161579^2 + 167400^2 .

It is a cyclic number.

It is not a de Polignac number, because 54130533241 - 21 = 54130533239 is a prime.

It is a super-2 number, since 2×541305332412 (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 (54130533641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7487466 + ... + 7494691.

It is an arithmetic number, because the mean of its divisors is an integer number (13536379753).

Almost surely, 254130533241 is an apocalyptic number.

It is an amenable number.

54130533241 is a deficient number, since it is larger than the sum of its proper divisors (14985771).

54130533241 is a wasteful number, since it uses less digits than its factorization.

54130533241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14985770.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 54130533241 in words is "fifty-four billion, one hundred thirty million, five hundred thirty-three thousand, two hundred forty-one".

Divisors: 1 3613 14982157 54130533241