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54405142193 is a prime number
BaseRepresentation
bin110010101010110011…
…001001011010110001
312012102120212120200102
4302222303021122301
51342410204022233
640554323002145
73634132035623
oct625263113261
9165376776612
1054405142193
1121089314636
12a664209355
1351905b343c
1428c17c6c13
1516364971e8
hexcaacc96b1

54405142193 has 2 divisors, whose sum is σ = 54405142194. Its totient is φ = 54405142192.

The previous prime is 54405142157. The next prime is 54405142219. The reversal of 54405142193 is 39124150445.

54405142193 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., 45850372129 + 8554770064 = 214127^2 + 92492^2 .

It is a cyclic number.

It is not a de Polignac number, because 54405142193 - 216 = 54405076657 is a prime.

It is not a weakly prime, because it can be changed into another prime (54405142093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27202571096 + 27202571097.

It is an arithmetic number, because the mean of its divisors is an integer number (27202571097).

Almost surely, 254405142193 is an apocalyptic number.

It is an amenable number.

54405142193 is a deficient number, since it is larger than the sum of its proper divisors (1).

54405142193 is an equidigital number, since it uses as much as digits as its factorization.

54405142193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 54405142193 in words is "fifty-four billion, four hundred five million, one hundred forty-two thousand, one hundred ninety-three".