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12448250880 = 2103513312011
BaseRepresentation
bin10111001011111100…
…10011110000000000
31012010112120122221220
423211332103300000
5200443223012010
65415121115040
7620323246422
oct134576236000
935115518856
1012448250880
11530879314a
1224b4a88a80
131234c9b330
14861382812
154cccb5970
hex2e5f93c00

12448250880 has 352 divisors, whose sum is σ = 44282800128. Its totient is φ = 2963865600.

The previous prime is 12448250839. The next prime is 12448250887. The reversal of 12448250880 is 8805284421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12448250887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6189075 + ... + 6191085.

Almost surely, 212448250880 is an apocalyptic number.

12448250880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12448250880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22141400064).

12448250880 is an abundant number, since it is smaller than the sum of its proper divisors (31834549248).

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

12448250880 is a wasteful number, since it uses less digits than its factorization.

12448250880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The spelling of 12448250880 in words is "twelve billion, four hundred forty-eight million, two hundred fifty thousand, eight hundred eighty".