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12504113145072 = 24322341509918059
BaseRepresentation
bin1011010111110101011100…
…1110001110010011110000
31122021101022010220020100100
42311331113032032103300
53114331410431120242
642332151004152400
72430251403026433
oct265752716162360
948241263806310
1012504113145072
113a90a6798604a
12149b46a238700
136c9195a25ac3
143132b91a981a
1516a3d9bc854c
hexb5f5738e4f0

12504113145072 has 240 divisors, whose sum is σ = 37415667744000. Its totient is φ = 3888601052160.

The previous prime is 12504113145071. The next prime is 12504113145193. The reversal of 12504113145072 is 27054131140521.

12504113145072 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 4 + 1 + 131 + 450 + 72 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504113145071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 692394379 + ... + 692412437.

It is an arithmetic number, because the mean of its divisors is an integer number (155898615600).

Almost surely, 212504113145072 is an apocalyptic number.

12504113145072 is a gapful number since it is divisible by the number (12) 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 12504113145072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18707833872000).

12504113145072 is an abundant number, since it is smaller than the sum of its proper divisors (24911554598928).

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

12504113145072 is a wasteful number, since it uses less digits than its factorization.

12504113145072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23236 (or 23227 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

Adding to 12504113145072 its reverse (27054131140521), we get a palindrome (39558244285593).

The spelling of 12504113145072 in words is "twelve trillion, five hundred four billion, one hundred thirteen million, one hundred forty-five thousand, seventy-two".