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12031045248 = 273174179569
BaseRepresentation
bin10110011010001101…
…10010111010000000
31011001110112102102110
423031012302322000
5144114421421443
65305455015320
7604066124445
oct131506627200
934043472373
1012031045248
115114236402
1223b920a540
1311997144b1
14821bbd9cc
154a6354233
hex2cd1b2e80

12031045248 has 256 divisors, whose sum is σ = 35163072000. Its totient is φ = 3629383680.

The previous prime is 12031045217. The next prime is 12031045253. The reversal of 12031045248 is 84254013021.

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, 21143908 + ... + 21144476.

It is an arithmetic number, because the mean of its divisors is an integer number (137355750).

Almost surely, 212031045248 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 12031045248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17581536000).

12031045248 is an abundant number, since it is smaller than the sum of its proper divisors (23132026752).

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

12031045248 is a wasteful number, since it uses less digits than its factorization.

12031045248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 12031045248 its reverse (84254013021), we get a palindrome (96285058269).

The spelling of 12031045248 in words is "twelve billion, thirty-one million, forty-five thousand, two hundred forty-eight".