Search a number
-
+
54725720743289 is a prime number
BaseRepresentation
bin11000111000101110100110…
…01001010001110101111001
321011202201122120110111112202
430130113103021101311321
524133111234002241124
6312220352105315545
714345542243106441
oct1434272311216571
9234681576414482
1054725720743289
111648a058732492
12617a265195bb5
13246c7c8614a6b
14d72a4bc0d121
1564d81ccb35ae
hex31c5d3251d79

54725720743289 has 2 divisors, whose sum is σ = 54725720743290. Its totient is φ = 54725720743288.

The previous prime is 54725720743279. The next prime is 54725720743333. The reversal of 54725720743289 is 98234702752745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54695491009600 + 30229733689 = 7395640^2 + 173867^2 .

It is a cyclic number.

It is not a de Polignac number, because 54725720743289 - 240 = 53626209115513 is a prime.

It is not a weakly prime, because it can be changed into another prime (54725720743229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27362860371644 + 27362860371645.

It is an arithmetic number, because the mean of its divisors is an integer number (27362860371645).

Almost surely, 254725720743289 is an apocalyptic number.

It is an amenable number.

54725720743289 is a deficient number, since it is larger than the sum of its proper divisors (1).

54725720743289 is an equidigital number, since it uses as much as digits as its factorization.

54725720743289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 237081600, while the sum is 65.

The spelling of 54725720743289 in words is "fifty-four trillion, seven hundred twenty-five billion, seven hundred twenty million, seven hundred forty-three thousand, two hundred eighty-nine".