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135810530 = 2513581053
BaseRepresentation
bin10000001100001…
…00110111100010
3100110112220000122
420012010313202
5234231414110
621250520242
73236241032
oct1006046742
9313486018
10135810530
116a730509
1239596082
13221a147b
14140738c2
15bdca255
hex8184de2

135810530 has 8 divisors (see below), whose sum is σ = 244458972. Its totient is φ = 54324208.

The previous prime is 135810527. The next prime is 135810551. The reversal of 135810530 is 35018531.

It can be written as a sum of positive squares in 2 ways, for example, as 124567921 + 11242609 = 11161^2 + 3353^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 135810530.

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, 6790517 + ... + 6790536.

Almost surely, 2135810530 is an apocalyptic number.

135810530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135810530 is a deficient number, since it is larger than the sum of its proper divisors (108648442).

135810530 is a wasteful number, since it uses less digits than its factorization.

135810530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13581060.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 135810530 is about 11653.7774991631. Note that the first 3 decimals coincide. The cubic root of 135810530 is about 514.0173930636.

The spelling of 135810530 in words is "one hundred thirty-five million, eight hundred ten thousand, five hundred thirty".

Divisors: 1 2 5 10 13581053 27162106 67905265 135810530