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19054445701 is a prime number
BaseRepresentation
bin10001101111101110…
…111100010010000101
31211011221022010121011
4101233232330102011
5303010414230301
612430430522221
71243121054554
oct215756742205
954157263534
1019054445701
118098813095
123839366371
131a48821555
14cca8abd9b
15767c41a51
hex46fbbc485

19054445701 has 2 divisors, whose sum is σ = 19054445702. Its totient is φ = 19054445700.

The previous prime is 19054445693. The next prime is 19054445731. The reversal of 19054445701 is 10754445091.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17213177601 + 1841268100 = 131199^2 + 42910^2 .

It is a cyclic number.

It is not a de Polignac number, because 19054445701 - 23 = 19054445693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19054445731) 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, 9527222850 + 9527222851.

It is an arithmetic number, because the mean of its divisors is an integer number (9527222851).

Almost surely, 219054445701 is an apocalyptic number.

It is an amenable number.

19054445701 is a deficient number, since it is larger than the sum of its proper divisors (1).

19054445701 is an equidigital number, since it uses as much as digits as its factorization.

19054445701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 19054445701 in words is "nineteen billion, fifty-four million, four hundred forty-five thousand, seven hundred one".