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22111140044 = 2272157171809
BaseRepresentation
bin10100100101111011…
…010011100011001100
32010001222000021221202
4110211323103203030
5330240422440134
614054022245032
71411635406100
oct244573234314
963058007852
1022111140044
119417186864
124350b86778
132114b96226
1410da831900
15896283d7e
hex525ed38cc

22111140044 has 36 divisors (see below), whose sum is σ = 45041242680. Its totient is φ = 9470039040.

The previous prime is 22111140031. The next prime is 22111140109. The reversal of 22111140044 is 44004111122.

It is a junction number, because it is equal to n+sod(n) for n = 22111139998 and 22111140025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272012 + ... + 343820.

It is an arithmetic number, because the mean of its divisors is an integer number (1251145630).

Almost surely, 222111140044 is an apocalyptic number.

It is an amenable number.

22111140044 is an abundant number, since it is smaller than the sum of its proper divisors (22930102636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111140044 is a wasteful number, since it uses less digits than its factorization.

22111140044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73398 (or 73389 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22111140044 its reverse (44004111122), we get a palindrome (66115251166).

The spelling of 22111140044 in words is "twenty-two billion, one hundred eleven million, one hundred forty thousand, forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 1571 3142 6284 10997 21994 43988 71809 76979 143618 153958 287236 307916 502663 1005326 2010652 3518641 7037282 14074564 112811939 225623878 451247756 789683573 1579367146 3158734292 5527785011 11055570022 22111140044