Base | Representation |
---|---|
bin | 11111111101101… |
… | …10011100101001 |
3 | 200200112121221202 |
4 | 33332312130221 |
5 | 1022120243220 |
6 | 42335013545 |
7 | 6434050214 |
oct | 1776663451 |
9 | 620477852 |
10 | 268134185 |
11 | 12839a200 |
12 | 7596a2b5 |
13 | 437217a7 |
14 | 2787a77b |
15 | 18817275 |
hex | ffb6729 |
268134185 has 24 divisors (see below), whose sum is σ = 355971840. Its totient is φ = 193739040.
The previous prime is 268134179. The next prime is 268134241. The reversal of 268134185 is 581431862.
It is not a de Polignac number, because 268134185 - 216 = 268068649 is a prime.
It is a super-2 number, since 2×2681341852 = 143791882331228450, which contains 22 as substring.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 97256 + ... + 99974.
It is an arithmetic number, because the mean of its divisors is an integer number (14832160).
Almost surely, 2268134185 is an apocalyptic number.
It is an amenable number.
268134185 is a deficient number, since it is larger than the sum of its proper divisors (87837655).
268134185 is a wasteful number, since it uses less digits than its factorization.
268134185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2909 (or 2898 counting only the distinct ones).
The product of its digits is 46080, while the sum is 38.
The square root of 268134185 is about 16374.8033575979. The cubic root of 268134185 is about 644.8381582207.
The spelling of 268134185 in words is "two hundred sixty-eight million, one hundred thirty-four thousand, one hundred eighty-five".
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