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54171722889013 is a prime number
BaseRepresentation
bin11000101000100110101100…
…10011001011011100110101
321002210202200111202120121111
430110103112103023130311
524100022142024422023
6311114051304515021
714260530536045362
oct1424232623133465
9232722614676544
1054171722889013
111629610a353944
1260aaa1447ba71
13242c4aa3a7432
14d53cd5343469
1563e1e683b00d
hex3144d64cb735

54171722889013 has 2 divisors, whose sum is σ = 54171722889014. Its totient is φ = 54171722889012.

The previous prime is 54171722888989. The next prime is 54171722889017. The reversal of 54171722889013 is 31098822717145.

It is a happy number.

54171722889013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51275810668369 + 2895912220644 = 7160713^2 + 1701738^2 .

It is a cyclic number.

It is not a de Polignac number, because 54171722889013 - 25 = 54171722888981 is a prime.

It is a super-2 number, since 2×541717228890132 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54171722889017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27085861444506 + 27085861444507.

It is an arithmetic number, because the mean of its divisors is an integer number (27085861444507).

Almost surely, 254171722889013 is an apocalyptic number.

It is an amenable number.

54171722889013 is a deficient number, since it is larger than the sum of its proper divisors (1).

54171722889013 is an equidigital number, since it uses as much as digits as its factorization.

54171722889013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 54171722889013 in words is "fifty-four trillion, one hundred seventy-one billion, seven hundred twenty-two million, eight hundred eighty-nine thousand, thirteen".