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11440140442 = 21272772587
BaseRepresentation
bin10101010011110001…
…01011000010011010
31002112021122100102021
422221320223002122
5141412133443232
65131105525054
7553332406063
oct125170530232
932467570367
1011440140442
11494072a925
12227334378a
131104181693
147a752356a
1546e531397
hex2a9e2b09a

11440140442 has 24 divisors (see below), whose sum is σ = 17387564544. Its totient is φ = 5644909872.

The previous prime is 11440140433. The next prime is 11440140443. The reversal of 11440140442 is 24404104411.

It is not an unprimeable number, because it can be changed into a prime (11440140443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19488873 + ... + 19489459.

It is an arithmetic number, because the mean of its divisors is an integer number (724481856).

Almost surely, 211440140442 is an apocalyptic number.

11440140442 is a deficient number, since it is larger than the sum of its proper divisors (5947424102).

11440140442 is an equidigital number, since it uses as much as digits as its factorization.

11440140442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 11440140442 its reverse (24404104411), we get a palindrome (35844244853).

The spelling of 11440140442 in words is "eleven billion, four hundred forty million, one hundred forty thousand, four hundred forty-two".

Divisors: 1 2 127 254 277 554 587 1174 35179 70358 74549 76729 149098 153458 162599 325198 9744583 19489166 20650073 41300146 45039923 90079846 5720070221 11440140442