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135155105 = 527031021
BaseRepresentation
bin10000000111001…
…00110110100001
3100102022120221122
420003210312201
5234044430410
621224502025
73230541131
oct1003446641
9312276848
10135155105
116a323038
123931a915
1322002047
1413d42ac1
15bceae55
hex80e4da1

135155105 has 4 divisors (see below), whose sum is σ = 162186132. Its totient is φ = 108124080.

The previous prime is 135155093. The next prime is 135155131. The reversal of 135155105 is 501551531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60902416 + 74252689 = 7804^2 + 8617^2 .

It is not a de Polignac number, because 135155105 - 24 = 135155089 is a prime.

It is a super-2 number, since 2×1351551052 = 36533804815122050, which contains 22 as substring.

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, 13515506 + ... + 13515515.

It is an arithmetic number, because the mean of its divisors is an integer number (40546533).

Almost surely, 2135155105 is an apocalyptic number.

It is an amenable number.

135155105 is a deficient number, since it is larger than the sum of its proper divisors (27031027).

135155105 is an equidigital number, since it uses as much as digits as its factorization.

135155105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27031026.

The product of its (nonzero) digits is 1875, while the sum is 26.

The square root of 135155105 is about 11625.6227790170. The cubic root of 135155105 is about 513.1891723801.

The spelling of 135155105 in words is "one hundred thirty-five million, one hundred fifty-five thousand, one hundred five".

Divisors: 1 5 27031021 135155105