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12420424431360 = 283351132671571
BaseRepresentation
bin1011010010111101101011…
…1111000111011100000000
31121222101021201211002102000
42310233122333013130000
53111444012123300420
642225510400424000
72421226460505441
oct264573277073400
947871251732360
1012420424431360
113a59521878840
1214871b3018000
136c131961c56a
1430d21a58b2c8
1516813c972690
hexb4bdafc7700

12420424431360 has 288 divisors, whose sum is σ = 48082099080960. Its totient is φ = 3011011891200.

The previous prime is 12420424431281. The next prime is 12420424431391. The reversal of 12420424431360 is 6313442402421.

12420424431360 is a `hidden beast` number, since 1 + 2 + 4 + 20 + 4 + 244 + 31 + 360 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15955626 + ... + 16715945.

It is an arithmetic number, because the mean of its divisors is an integer number (166951732920).

Almost surely, 212420424431360 is an apocalyptic number.

12420424431360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12420424431360 is an abundant number, since it is smaller than the sum of its proper divisors (35661674649600).

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

12420424431360 is a wasteful number, since it uses less digits than its factorization.

12420424431360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32671612 (or 32671592 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 12420424431360 its reverse (6313442402421), we get a palindrome (18733866833781).

The spelling of 12420424431360 in words is "twelve trillion, four hundred twenty billion, four hundred twenty-four million, four hundred thirty-one thousand, three hundred sixty".