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51796393241 = 173299401117
BaseRepresentation
bin110000001111010011…
…100011110100011001
311221200210001101212212
4300033103203310121
51322034334040431
635443412244505
73512364035555
oct601723436431
9157623041785
1051796393241
111aa6a79396a
12a056610735
134b65c991c8
142715148865
15153243972b
hexc0f4e3d19

51796393241 has 4 divisors (see below), whose sum is σ = 52095794532. Its totient is φ = 51496991952.

The previous prime is 51796393211. The next prime is 51796393247. The reversal of 51796393241 is 14239369715.

51796393241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 48241729600 + 3554663641 = 219640^2 + 59621^2 .

It is a cyclic number.

It is not a de Polignac number, because 51796393241 - 26 = 51796393177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51796393241.

It is not an unprimeable number, because it can be changed into a prime (51796393247) 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, 149700386 + ... + 149700731.

It is an arithmetic number, because the mean of its divisors is an integer number (13023948633).

Almost surely, 251796393241 is an apocalyptic number.

It is an amenable number.

51796393241 is a deficient number, since it is larger than the sum of its proper divisors (299401291).

51796393241 is a wasteful number, since it uses less digits than its factorization.

51796393241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299401290.

The product of its digits is 1224720, while the sum is 50.

The spelling of 51796393241 in words is "fifty-one billion, seven hundred ninety-six million, three hundred ninety-three thousand, two hundred forty-one".

Divisors: 1 173 299401117 51796393241