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10064538161 = 43234059027
BaseRepresentation
bin10010101111110010…
…01010101000110001
3221222102012111211122
421113321022220301
5131103010210121
64342405552025
7504260106566
oct112771125061
927872174748
1010064538161
1142a5195537
121b4a715615
13c45195c32
146b696286d
153dd8aa5ab
hex257e4aa31

10064538161 has 4 divisors (see below), whose sum is σ = 10298597232. Its totient is φ = 9830479092.

The previous prime is 10064538119. The next prime is 10064538167. The reversal of 10064538161 is 16183546001.

10064538161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10064538161 - 26 = 10064538097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10064538167) 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 in 3 ways as a sum of consecutive naturals, for example, 117029471 + ... + 117029556.

It is an arithmetic number, because the mean of its divisors is an integer number (2574649308).

Almost surely, 210064538161 is an apocalyptic number.

It is an amenable number.

10064538161 is a deficient number, since it is larger than the sum of its proper divisors (234059071).

10064538161 is an equidigital number, since it uses as much as digits as its factorization.

10064538161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234059070.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 10064538161 in words is "ten billion, sixty-four million, five hundred thirty-eight thousand, one hundred sixty-one".

Divisors: 1 43 234059027 10064538161