Base | Representation |
---|---|
bin | 11111111110000… |
… | …10111000101111 |
3 | 200200122012211210 |
4 | 33333002320233 |
5 | 1022123411020 |
6 | 42340045503 |
7 | 6434351601 |
oct | 1777027057 |
9 | 620565753 |
10 | 268185135 |
11 | 128424509 |
12 | 75993893 |
13 | 4373ba3a |
14 | 27891171 |
15 | 188273e0 |
hex | ffc2e2f |
268185135 has 16 divisors (see below), whose sum is σ = 430255584. Its totient is φ = 142645632.
The previous prime is 268185131. The next prime is 268185143. The reversal of 268185135 is 531581862.
It is not a de Polignac number, because 268185135 - 22 = 268185131 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 268185093 and 268185102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268185131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18372 + ... + 29561.
It is an arithmetic number, because the mean of its divisors is an integer number (26890974).
Almost surely, 2268185135 is an apocalyptic number.
268185135 is a deficient number, since it is larger than the sum of its proper divisors (162070449).
268185135 is a wasteful number, since it uses less digits than its factorization.
268185135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48314.
The product of its digits is 57600, while the sum is 39.
The square root of 268185135 is about 16376.3590275739. The cubic root of 268185135 is about 644.8789989952.
The spelling of 268185135 in words is "two hundred sixty-eight million, one hundred eighty-five thousand, one hundred thirty-five".
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