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12304403142 = 2313271545391
BaseRepresentation
bin10110111010110011…
…00100101011000110
31011202111220102221220
423131121210223012
5200144411400032
65352542021210
7613625462313
oct133531445306
934674812856
1012304403142
115244573219
122474877806
131211244825
1484a219d0a
154c034e12c
hex2dd664ac6

12304403142 has 16 divisors (see below), whose sum is σ = 24627366912. Its totient is φ = 4098374280.

The previous prime is 12304403107. The next prime is 12304403183. The reversal of 12304403142 is 24130440321.

It is a congruent number.

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, 764734 + ... + 780657.

It is an arithmetic number, because the mean of its divisors is an integer number (1539210432).

Almost surely, 212304403142 is an apocalyptic number.

12304403142 is an abundant number, since it is smaller than the sum of its proper divisors (12322963770).

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

12304403142 is a wasteful number, since it uses less digits than its factorization.

12304403142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546723.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12304403142 its reverse (24130440321), we get a palindrome (36434843463).

The spelling of 12304403142 in words is "twelve billion, three hundred four million, four hundred three thousand, one hundred forty-two".

Divisors: 1 2 3 6 1327 2654 3981 7962 1545391 3090782 4636173 9272346 2050733857 4101467714 6152201571 12304403142