Search a number
-
+
11685144764 = 222921286191
BaseRepresentation
bin10101110000111110…
…10010100010111100
31010011100122212011102
422320133102202330
5142412344113024
65211301112232
7562366043306
oct127037224274
933140585142
1011685144764
114a56a61237
1223213b8678
131142b65257
147cbc9c976
15485cca1ae
hex2b87d28bc

11685144764 has 6 divisors (see below), whose sum is σ = 20449003344. Its totient is φ = 5842572380.

The previous prime is 11685144749. The next prime is 11685144773. The reversal of 11685144764 is 46744158611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460643092 + ... + 1460643099.

It is an arithmetic number, because the mean of its divisors is an integer number (3408167224).

Almost surely, 211685144764 is an apocalyptic number.

It is an amenable number.

11685144764 is a deficient number, since it is larger than the sum of its proper divisors (8763858580).

11685144764 is a wasteful number, since it uses less digits than its factorization.

11685144764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921286195 (or 2921286193 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The spelling of 11685144764 in words is "eleven billion, six hundred eighty-five million, one hundred forty-four thousand, seven hundred sixty-four".

Divisors: 1 2 4 2921286191 5842572382 11685144764