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54323125261 is a prime number
BaseRepresentation
bin110010100101111010…
…010001110000001101
312012012212112200121021
4302211322101300031
51342223210002021
640542233034141
73632114642326
oct624572216015
9165185480537
1054323125261
1121046a96049
12a640855951
1351795c8002
1428b495744d
15162e195c41
hexca5e91c0d

54323125261 has 2 divisors, whose sum is σ = 54323125262. Its totient is φ = 54323125260.

The previous prime is 54323125223. The next prime is 54323125309. The reversal of 54323125261 is 16252132345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44107980361 + 10215144900 = 210019^2 + 101070^2 .

It is a cyclic number.

It is not a de Polignac number, because 54323125261 - 221 = 54321028109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54323125211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27161562630 + 27161562631.

It is an arithmetic number, because the mean of its divisors is an integer number (27161562631).

Almost surely, 254323125261 is an apocalyptic number.

It is an amenable number.

54323125261 is a deficient number, since it is larger than the sum of its proper divisors (1).

54323125261 is an equidigital number, since it uses as much as digits as its factorization.

54323125261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 34.

The spelling of 54323125261 in words is "fifty-four billion, three hundred twenty-three million, one hundred twenty-five thousand, two hundred sixty-one".