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11440221115 = 52656186143
BaseRepresentation
bin10101010011110001…
…11110101110111011
31002112021210110002011
422221320332232323
5141412144033430
65131111350351
7553333163221
oct125170765673
932467713064
1011440221115
1149407854a4
1222733823b7
1311041ac30b
147a7544b11
1546e54a22a
hex2a9e3ebbb

11440221115 has 8 divisors (see below), whose sum is σ = 13728941568. Its totient is φ = 9151726080.

The previous prime is 11440221109. The next prime is 11440221151. The reversal of 11440221115 is 51112204411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11440221115 - 217 = 11440090043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89734 + ... + 175876.

It is an arithmetic number, because the mean of its divisors is an integer number (1716117696).

Almost surely, 211440221115 is an apocalyptic number.

11440221115 is a deficient number, since it is larger than the sum of its proper divisors (2288720453).

11440221115 is an equidigital number, since it uses as much as digits as its factorization.

11440221115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112709.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 11440221115 its reverse (51112204411), we get a palindrome (62552425526).

The spelling of 11440221115 in words is "eleven billion, four hundred forty million, two hundred twenty-one thousand, one hundred fifteen".

Divisors: 1 5 26561 86143 132805 430715 2288044223 11440221115