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44122211131 = 4119116273463
BaseRepresentation
bin101001000101111000…
…111000001100111011
311012212221201120002211
4221011320320030323
51210330241224011
632134112035551
73121250415025
oct510570701473
9135787646084
1044122211131
11177919242a9
128674532bb7
1342120c344b
1421c7c55015
15123384cb21
hexa45e3833b

44122211131 has 16 divisors (see below), whose sum is σ = 45476057088. Its totient is φ = 42782011200.

The previous prime is 44122211117. The next prime is 44122211171. The reversal of 44122211131 is 13111222144.

44122211131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 44122211131 - 227 = 43987993403 is a prime.

It is a super-2 number, since 2×441222111312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44122211171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12739306 + ... + 12742768.

It is an arithmetic number, because the mean of its divisors is an integer number (2842253568).

Almost surely, 244122211131 is an apocalyptic number.

44122211131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

44122211131 is a deficient number, since it is larger than the sum of its proper divisors (1353845957).

44122211131 is a wasteful number, since it uses less digits than its factorization.

44122211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322.

The product of its digits is 384, while the sum is 22.

Adding to 44122211131 its reverse (13111222144), we get a palindrome (57233433275).

The spelling of 44122211131 in words is "forty-four billion, one hundred twenty-two million, two hundred eleven thousand, one hundred thirty-one".

Divisors: 1 41 191 1627 3463 7831 66707 141983 310757 661433 5634301 12741037 27118753 231006341 1076151491 44122211131