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135001105 = 527000221
BaseRepresentation
bin10000000101111…
…11010000010001
3100102000202200221
420002333100101
5234030013410
621221313041
73226330141
oct1002772021
9312022627
10135001105
116a228368
1239265781
1321c79c15
1413d02921
15bcba4da
hex80bf411

135001105 has 4 divisors (see below), whose sum is σ = 162001332. Its totient is φ = 108000880.

The previous prime is 135001093. The next prime is 135001121. The reversal of 135001105 is 501100531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501100531 = 539454727.

It can be written as a sum of positive squares in 2 ways, for example, as 100942209 + 34058896 = 10047^2 + 5836^2 .

It is a de Polignac number, because none of the positive numbers 2k-135001105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13500106 + ... + 13500115.

It is an arithmetic number, because the mean of its divisors is an integer number (40500333).

Almost surely, 2135001105 is an apocalyptic number.

It is an amenable number.

135001105 is a deficient number, since it is larger than the sum of its proper divisors (27000227).

135001105 is an equidigital number, since it uses as much as digits as its factorization.

135001105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27000226.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 135001105 is about 11618.9975901538. The cubic root of 135001105 is about 512.9941836462.

Adding to 135001105 its reverse (501100531), we get a palindrome (636101636).

The spelling of 135001105 in words is "one hundred thirty-five million, one thousand, one hundred five".

Divisors: 1 5 27000221 135001105