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10728941015520 = 2535571321912277
BaseRepresentation
bin1001110000100000011010…
…1101111101000111100000
31101222200021100100120100000
42130020012231331013200
52401240332344444040
634452450224500000
72155066105631340
oct234100655750740
941880240316300
1010728941015520
113467133555a62
12125341077a600
135ca97246a700
142913d7d78d20
1513913eb91130
hex9c206b7d1e0

10728941015520 has 1728 divisors, whose sum is σ = 49464301985280. Its totient is φ = 2144372465664.

The previous prime is 10728941015483. The next prime is 10728941015549. The reversal of 10728941015520 is 2551014982701.

10728941015520 is a `hidden beast` number, since 1 + 0 + 7 + 2 + 8 + 94 + 1 + 0 + 1 + 552 + 0 = 666.

It is a super-2 number, since 2×107289410155202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 873899622 + ... + 873911898.

It is an arithmetic number, because the mean of its divisors is an integer number (28625174760).

Almost surely, 210728941015520 is an apocalyptic number.

10728941015520 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 10728941015520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24732150992640).

10728941015520 is an abundant number, since it is smaller than the sum of its proper divisors (38735360969760).

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

10728941015520 is a wasteful number, since it uses less digits than its factorization.

10728941015520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12359 (or 12326 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 10728941015520 in words is "ten trillion, seven hundred twenty-eight billion, nine hundred forty-one million, fifteen thousand, five hundred twenty".