Search a number
-
+
11890804908 = 2236116244269
BaseRepresentation
bin10110001001011111…
…10100100010101100
31010200200122110211210
423010233310202230
5143323021224113
65243525114420
7600444113463
oct130457644254
933620573753
1011890804908
11505205a7a4
12237a258a10
131176651948
1480b3159da
15498da16c3
hex2c4bf48ac

11890804908 has 24 divisors (see below), whose sum is σ = 28200052720. Its totient is φ = 3898624320.

The previous prime is 11890804879. The next prime is 11890804909. The reversal of 11890804908 is 80940809811.

11890804908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11890804909) 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 7 ways as a sum of consecutive naturals, for example, 8121403 + ... + 8122866.

Almost surely, 211890804908 is an apocalyptic number.

It is an amenable number.

11890804908 is an abundant number, since it is smaller than the sum of its proper divisors (16309247812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11890804908 is a wasteful number, since it uses less digits than its factorization.

11890804908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16244337 (or 16244335 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 48.

The spelling of 11890804908 in words is "eleven billion, eight hundred ninety million, eight hundred four thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 16244269 32488538 48732807 64977076 97465614 194931228 990900409 1981800818 2972701227 3963601636 5945402454 11890804908