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11120140420 = 2252731203591
BaseRepresentation
bin10100101101100111…
…11110000010000100
31001200222111122220121
422112303332002010
5140233223443140
65035235111324
7542365430314
oct122663760204
931628448817
1011120140420
1147970360a4
1221a4142544
131082aa045c
14776c25444
154513c164a
hex296cfe084

11120140420 has 24 divisors (see below), whose sum is σ = 23360960448. Its totient is φ = 4446405600.

The previous prime is 11120140411. The next prime is 11120140439. The reversal of 11120140420 is 2404102111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11120140394 and 11120140403.

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, 47176 + ... + 156415.

It is an arithmetic number, because the mean of its divisors is an integer number (973373352).

Almost surely, 211120140420 is an apocalyptic number.

11120140420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120140420 is an abundant number, since it is smaller than the sum of its proper divisors (12240820028).

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

11120140420 is a wasteful number, since it uses less digits than its factorization.

11120140420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206331 (or 206329 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11120140420 its reverse (2404102111), we get a palindrome (13524242531).

The spelling of 11120140420 in words is "eleven billion, one hundred twenty million, one hundred forty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2731 5462 10924 13655 27310 54620 203591 407182 814364 1017955 2035910 4071820 556007021 1112014042 2224028084 2780035105 5560070210 11120140420