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12113422040 = 235550155051
BaseRepresentation
bin10110100100000010…
…00010011011011000
31011021012112121010202
423102001002123120
5144302014001130
65322000401332
7606116250146
oct132201023330
934235477122
1012113422040
1151567902a5
122420916248
1311b07c7665
1482cb04596
154ad6c7145
hex2d20426d8

12113422040 has 32 divisors (see below), whose sum is σ = 27260649360. Its totient is φ = 4844400000.

The previous prime is 12113422039. The next prime is 12113422133. The reversal of 12113422040 is 4022431121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192515 + ... + 247565.

Almost surely, 212113422040 is an apocalyptic number.

12113422040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113422040 is an abundant number, since it is smaller than the sum of its proper divisors (15147227320).

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

12113422040 is a wasteful number, since it uses less digits than its factorization.

12113422040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60563 (or 60559 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12113422040 its reverse (4022431121), we get a palindrome (16135853161).

The spelling of 12113422040 in words is "twelve billion, one hundred thirteen million, four hundred twenty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 5501 11002 22004 27505 44008 55010 55051 110020 110102 220040 220204 275255 440408 550510 1101020 2202040 302835551 605671102 1211342204 1514177755 2422684408 3028355510 6056711020 12113422040