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195134105 = 5317123113
BaseRepresentation
bin10111010000110…
…00001010011001
3111121011211200002
423220120022121
5344423242410
631210222345
74556420045
oct1350301231
9447154602
10195134105
11a016a161
12554249b5
133157258a
141bcb7025
15121e77a5
hexba18299

195134105 has 8 divisors (see below), whose sum is σ = 234901512. Its totient is φ = 155613568.

The previous prime is 195134087. The next prime is 195134117. The reversal of 195134105 is 501431591.

It can be written as a sum of positive squares in 4 ways, for example, as 16216729 + 178917376 = 4027^2 + 13376^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195134105 - 226 = 128025241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59972 + ... + 63141.

It is an arithmetic number, because the mean of its divisors is an integer number (29362689).

Almost surely, 2195134105 is an apocalyptic number.

It is an amenable number.

195134105 is a deficient number, since it is larger than the sum of its proper divisors (39767407).

195134105 is a wasteful number, since it uses less digits than its factorization.

195134105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123435.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 195134105 is about 13969.0409477530. The cubic root of 195134105 is about 580.0219026608.

Adding to 195134105 its reverse (501431591), we get a palindrome (696565696).

The spelling of 195134105 in words is "one hundred ninety-five million, one hundred thirty-four thousand, one hundred five".

Divisors: 1 5 317 1585 123113 615565 39026821 195134105