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105504038378201 is a prime number
BaseRepresentation
bin10111111111010010010010…
…101110101101101011011001
3111211120002100211120020101102
4113333102102232231223121
5102312034232311100301
61012215515223001145
731136262265342331
oct2777222256555331
9454502324506342
10105504038378201
11306870141a8481
12b9bb480b991b5
1346b3cacbc5c78
141c0a5cbc820c1
15c2e60742ab6b
hex5ff492badad9

105504038378201 has 2 divisors, whose sum is σ = 105504038378202. Its totient is φ = 105504038378200.

The previous prime is 105504038378197. The next prime is 105504038378213. The reversal of 105504038378201 is 102873830405501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62144763408025 + 43359274970176 = 7883195^2 + 6584776^2 .

It is a cyclic number.

It is not a de Polignac number, because 105504038378201 - 22 = 105504038378197 is a prime.

It is a super-2 number, since 2×1055040383782012 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105504038375201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52752019189100 + 52752019189101.

It is an arithmetic number, because the mean of its divisors is an integer number (52752019189101).

Almost surely, 2105504038378201 is an apocalyptic number.

It is an amenable number.

105504038378201 is a deficient number, since it is larger than the sum of its proper divisors (1).

105504038378201 is an equidigital number, since it uses as much as digits as its factorization.

105504038378201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 105504038378201 in words is "one hundred five trillion, five hundred four billion, thirty-eight million, three hundred seventy-eight thousand, two hundred one".