Search a number
-
+
6809247153 = 33475365837
BaseRepresentation
bin1100101011101110…
…01101110110110001
3122120112210121002000
412111313031312301
5102421131402103
63043401444213
7330511434342
oct62567156661
918515717060
106809247153
112984708195
1213a04a0669
13846938937
144884a40c9
1529cbd9aa3
hex195dcddb1

6809247153 has 16 divisors (see below), whose sum is σ = 10302408960. Its totient is φ = 4442912208.

The previous prime is 6809247131. The next prime is 6809247161. The reversal of 6809247153 is 3517429086.

6809247153 is digitally balanced in base 3 and base 10, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6809247153 - 25 = 6809247121 is a prime.

6809247153 is strictly pandigital in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6809247099 and 6809247108.

It is not an unprimeable number, because it can be changed into a prime (6809247163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2681650 + ... + 2684187.

It is an arithmetic number, because the mean of its divisors is an integer number (643900560).

It is a 1-persistent number, because it is pandigital, but 2⋅6809247153 = 13618494306 is not.

Almost surely, 26809247153 is an apocalyptic number.

It is an amenable number.

6809247153 is a deficient number, since it is larger than the sum of its proper divisors (3493161807).

6809247153 is a wasteful number, since it uses less digits than its factorization.

6809247153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365893 (or 5365887 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 6809247153 is about 82518.1625643712. The cubic root of 6809247153 is about 1895.3948632633.

The spelling of 6809247153 in words is "six billion, eight hundred nine million, two hundred forty-seven thousand, one hundred fifty-three".

Divisors: 1 3 9 27 47 141 423 1269 5365837 16097511 48292533 144877599 252194339 756583017 2269749051 6809247153