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268134185 = 51121632719
BaseRepresentation
bin11111111101101…
…10011100101001
3200200112121221202
433332312130221
51022120243220
642335013545
76434050214
oct1776663451
9620477852
10268134185
1112839a200
127596a2b5
13437217a7
142787a77b
1518817275
hexffb6729

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".

Divisors: 1 5 11 55 121 163 605 815 1793 2719 8965 13595 19723 29909 98615 149545 328999 443197 1644995 2215985 4875167 24375835 53626837 268134185