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54387834929 is a prime number
BaseRepresentation
bin110010101001110001…
…001000000000110001
312012101101022021120122
4302221301020000301
51342341241204204
640552504020025
73633531653261
oct625161100061
9165341267518
1054387834929
112107a57340a
12a65a461615
135189b3385c
1428bd39d7a1
151634bc90be
hexca9c48031

54387834929 has 2 divisors, whose sum is σ = 54387834930. Its totient is φ = 54387834928.

The previous prime is 54387834889. The next prime is 54387834947. The reversal of 54387834929 is 92943878345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54371513329 + 16321600 = 233177^2 + 4040^2 .

It is a cyclic number.

It is not a de Polignac number, because 54387834929 - 232 = 50092867633 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (54387834329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27193917464 + 27193917465.

It is an arithmetic number, because the mean of its divisors is an integer number (27193917465).

Almost surely, 254387834929 is an apocalyptic number.

It is an amenable number.

54387834929 is a deficient number, since it is larger than the sum of its proper divisors (1).

54387834929 is an equidigital number, since it uses as much as digits as its factorization.

54387834929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52254720, while the sum is 62.

The spelling of 54387834929 in words is "fifty-four billion, three hundred eighty-seven million, eight hundred thirty-four thousand, nine hundred twenty-nine".