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11131202444 = 223109895079
BaseRepresentation
bin10100101110111100…
…01010101110001100
31001201202022200011012
422113132022232030
5140244041434234
65040312144352
7542561442155
oct122736125614
931652280135
1011131202444
1147a230116a
1221a79980b8
13108517452b
147784a492c
154523590ce
hex29778ab8c

11131202444 has 12 divisors (see below), whose sum is σ = 19485891600. Its totient is φ = 5563804848.

The previous prime is 11131202437. The next prime is 11131202449. The reversal of 11131202444 is 44420213111.

It is not an unprimeable number, because it can be changed into a prime (11131202449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435104 + ... + 459975.

It is an arithmetic number, because the mean of its divisors is an integer number (1623824300).

Almost surely, 211131202444 is an apocalyptic number.

It is an amenable number.

11131202444 is a deficient number, since it is larger than the sum of its proper divisors (8354689156).

11131202444 is a wasteful number, since it uses less digits than its factorization.

11131202444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898192 (or 898190 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11131202444 its reverse (44420213111), we get a palindrome (55551415555).

The spelling of 11131202444 in words is "eleven billion, one hundred thirty-one million, two hundred two thousand, four hundred forty-four".

Divisors: 1 2 4 3109 6218 12436 895079 1790158 3580316 2782800611 5565601222 11131202444