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11231444005 = 53316786371
BaseRepresentation
bin10100111010111001…
…00011110000100101
31001222201221110201121
422131130203300211
5141000222202010
65054252453541
7545216461465
oct123534436045
931881843647
1011231444005
114843948131
12221547a2b1
13109cb70c72
14787919ba5
1545b05a3da
hex29d723c25

11231444005 has 8 divisors (see below), whose sum is σ = 13518453024. Its totient is φ = 8958008400.

The previous prime is 11231443997. The next prime is 11231444011. The reversal of 11231444005 is 50044413211.

11231444005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11231444005 - 23 = 11231443997 is a prime.

It is a super-2 number, since 2×112314440052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 3391531 + ... + 3394840.

It is an arithmetic number, because the mean of its divisors is an integer number (1689806628).

Almost surely, 211231444005 is an apocalyptic number.

It is an amenable number.

11231444005 is a deficient number, since it is larger than the sum of its proper divisors (2287009019).

11231444005 is an equidigital number, since it uses as much as digits as its factorization.

11231444005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6786707.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11231444005 its reverse (50044413211), we get a palindrome (61275857216).

The spelling of 11231444005 in words is "eleven billion, two hundred thirty-one million, four hundred forty-four thousand, five".

Divisors: 1 5 331 1655 6786371 33931855 2246288801 11231444005