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54151401869 is a prime number
BaseRepresentation
bin110010011011101011…
…001101000110001101
312011202220102020101122
4302123223031012031
51341400224324434
640513220250325
73624631215125
oct623353150615
9164686366348
1054151401869
1120a69066794
12a5b32409a5
13514cb61436
142899c15c85
15161e074c2e
hexc9bacd18d

54151401869 has 2 divisors, whose sum is σ = 54151401870. Its totient is φ = 54151401868.

The previous prime is 54151401853. The next prime is 54151401923. The reversal of 54151401869 is 96810415145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41061753769 + 13089648100 = 202637^2 + 114410^2 .

It is a cyclic number.

It is not a de Polignac number, because 54151401869 - 24 = 54151401853 is a prime.

It is a super-2 number, since 2×541514018692 (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 (54151401569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27075700934 + 27075700935.

It is an arithmetic number, because the mean of its divisors is an integer number (27075700935).

Almost surely, 254151401869 is an apocalyptic number.

It is an amenable number.

54151401869 is a deficient number, since it is larger than the sum of its proper divisors (1).

54151401869 is an equidigital number, since it uses as much as digits as its factorization.

54151401869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 54151401869 in words is "fifty-four billion, one hundred fifty-one million, four hundred one thousand, eight hundred sixty-nine".