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268123333 = 1312046743
BaseRepresentation
bin11111111101100…
…11110011000101
3200200112002001211
433332303303011
51022114421313
642334451421
76434003452
oct1776636305
9620462054
10268123333
11128392035
1275963b71
134371987a
1427876829
1518813e3d
hexffb3cc5

268123333 has 4 divisors (see below), whose sum is σ = 270170208. Its totient is φ = 266076460.

The previous prime is 268123327. The next prime is 268123367. The reversal of 268123333 is 333321862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 333321862 = 2166660931.

It is a cyclic number.

It is not a de Polignac number, because 268123333 - 221 = 266026181 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 268123295 and 268123304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268123033) 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 3 ways as a sum of consecutive naturals, for example, 1023241 + ... + 1023502.

It is an arithmetic number, because the mean of its divisors is an integer number (67542552).

Almost surely, 2268123333 is an apocalyptic number.

It is an amenable number.

268123333 is a deficient number, since it is larger than the sum of its proper divisors (2046875).

268123333 is a wasteful number, since it uses less digits than its factorization.

268123333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046874.

The product of its digits is 15552, while the sum is 31.

The square root of 268123333 is about 16374.4719914872. The cubic root of 268123333 is about 644.8294587479.

The spelling of 268123333 in words is "two hundred sixty-eight million, one hundred twenty-three thousand, three hundred thirty-three".

Divisors: 1 131 2046743 268123333