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7268328071 = 21373401183
BaseRepresentation
bin1101100010011100…
…11110001010000111
3200202112122022200222
412301032132022013
5104341142444241
63201121254555
7345054524564
oct66116361207
920675568628
107268328071
11309a866504
1214aa19445b
138baa94a54
144cd44786b
152c816da4b
hex1b139e287

7268328071 has 4 divisors (see below), whose sum is σ = 7271731392. Its totient is φ = 7264924752.

The previous prime is 7268328017. The next prime is 7268328079. The reversal of 7268328071 is 1708238627.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1708238627 = 3076355529.

It is a cyclic number.

It is not a de Polignac number, because 7268328071 - 230 = 6194586247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7268328079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698455 + ... + 1702728.

It is an arithmetic number, because the mean of its divisors is an integer number (1817932848).

Almost surely, 27268328071 is an apocalyptic number.

7268328071 is a deficient number, since it is larger than the sum of its proper divisors (3403321).

7268328071 is a wasteful number, since it uses less digits than its factorization.

7268328071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403320.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 7268328071 is about 85254.4900342498. The cubic root of 7268328071 is about 1937.0678835763.

The spelling of 7268328071 in words is "seven billion, two hundred sixty-eight million, three hundred twenty-eight thousand, seventy-one".

Divisors: 1 2137 3401183 7268328071