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54195390113 is a prime number
BaseRepresentation
bin110010011110010011…
…000000011010100001
312011212222012001220212
4302132103000122201
51341443004440423
640521431143505
73626004133544
oct623623003241
9164788161825
1054195390113
1120a90980807
12a605b14b95
135158cc3397
1428a19c685b
151622d63578
hexc9e4c06a1

54195390113 has 2 divisors, whose sum is σ = 54195390114. Its totient is φ = 54195390112.

The previous prime is 54195390049. The next prime is 54195390131. The reversal of 54195390113 is 31109359145.

Together with next prime (54195390131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40171383184 + 14024006929 = 200428^2 + 118423^2 .

It is a cyclic number.

It is not a de Polignac number, because 54195390113 - 26 = 54195390049 is a prime.

It is not a weakly prime, because it can be changed into another prime (54195300113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27097695056 + 27097695057.

It is an arithmetic number, because the mean of its divisors is an integer number (27097695057).

Almost surely, 254195390113 is an apocalyptic number.

It is an amenable number.

54195390113 is a deficient number, since it is larger than the sum of its proper divisors (1).

54195390113 is an equidigital number, since it uses as much as digits as its factorization.

54195390113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 41.

The spelling of 54195390113 in words is "fifty-four billion, one hundred ninety-five million, three hundred ninety thousand, one hundred thirteen".