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12340412448 = 2537213219243
BaseRepresentation
bin10110111111000101…
…11100000000100000
31011212000122220102220
423133202330000200
5200233121144243
65400305511040
7614543526600
oct133742740040
934760586386
1012340412448
115262928581
122484942480
131218841b00
14850d10c00
154c35b3783
hex2df8bc020

12340412448 has 648 divisors, whose sum is σ = 44066051568. Its totient is φ = 3011613696.

The previous prime is 12340412431. The next prime is 12340412501. The reversal of 12340412448 is 84421404321.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 286986315 + ... + 286986357.

It is an arithmetic number, because the mean of its divisors is an integer number (68003166).

Almost surely, 212340412448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12340412448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22033025784).

12340412448 is an abundant number, since it is smaller than the sum of its proper divisors (31725639120).

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

12340412448 is a wasteful number, since it uses less digits than its factorization.

12340412448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 12340412448 its reverse (84421404321), we get a palindrome (96761816769).

The spelling of 12340412448 in words is "twelve billion, three hundred forty million, four hundred twelve thousand, four hundred forty-eight".