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12500893543864 = 23113293371301
BaseRepresentation
bin1011010111101001011101…
…0100011010110110111000
31122021001222202122112210011
42311322113110122312320
53114303312221400424
642330455313031304
72430105536621125
oct265722724326670
948231882575704
1012500893543864
113a8a665565000
12149a90bb55534
136c8aa19b352b
1431309175b74c
1516a29c207694
hexb5e9751adb8

12500893543864 has 256 divisors, whose sum is σ = 27444812169600. Its totient is φ = 5333904576000.

The previous prime is 12500893543829. The next prime is 12500893543979. The reversal of 12500893543864 is 46834539800521.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a junction number, because it is equal to n+sod(n) for n = 12500893543799 and 12500893543808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9608680014 + ... + 9608681314.

Almost surely, 212500893543864 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 12500893543864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13722406084800).

12500893543864 is an abundant number, since it is smaller than the sum of its proper divisors (14943918625736).

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

12500893543864 is an equidigital number, since it uses as much as digits as its factorization.

12500893543864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 58.

The spelling of 12500893543864 in words is "twelve trillion, five hundred billion, eight hundred ninety-three million, five hundred forty-three thousand, eight hundred sixty-four".