Search a number
-
+
53045786461 is a prime number
BaseRepresentation
bin110001011001110001…
…100111011101011101
312001220212000011011211
4301121301213131131
51332114210131321
640211403144421
73555344513443
oct613161473535
9161825004154
1053045786461
1120550a66548
12a344b15111
135004a95835
1427d3054b93
1515a6e800e1
hexc59c6775d

53045786461 has 2 divisors, whose sum is σ = 53045786462. Its totient is φ = 53045786460.

The previous prime is 53045786447. The next prime is 53045786531. The reversal of 53045786461 is 16468754035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48046448025 + 4999338436 = 219195^2 + 70706^2 .

It is a cyclic number.

It is not a de Polignac number, because 53045786461 - 219 = 53045262173 is a prime.

It is a super-2 number, since 2×530457864612 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53045786441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26522893230 + 26522893231.

It is an arithmetic number, because the mean of its divisors is an integer number (26522893231).

Almost surely, 253045786461 is an apocalyptic number.

It is an amenable number.

53045786461 is a deficient number, since it is larger than the sum of its proper divisors (1).

53045786461 is an equidigital number, since it uses as much as digits as its factorization.

53045786461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 53045786461 in words is "fifty-three billion, forty-five million, seven hundred eighty-six thousand, four hundred sixty-one".