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1080403236864 = 21132719479377
BaseRepresentation
bin11111011100011010000…
…11010001100000000000
310211021201011022001110200
433232031003101200000
5120200131212034424
62144155210525200
7141025253663220
oct17561503214000
93737634261420
101080403236864
11387218508886
12155480a36800
137ab5cb06343
143a41298a080
151d1853378c9
hexfb8d0d1800

1080403236864 has 576 divisors, whose sum is σ = 3834146534400. Its totient is φ = 286187323392.

The previous prime is 1080403236793. The next prime is 1080403236881. The reversal of 1080403236864 is 4686323040801.

1080403236864 is a `hidden beast` number, since 1 + 0 + 8 + 0 + 403 + 236 + 8 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115213744 + ... + 115223120.

It is an arithmetic number, because the mean of its divisors is an integer number (6656504400).

Almost surely, 21080403236864 is an apocalyptic number.

1080403236864 is a gapful number since it is divisible by the number (14) 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 1080403236864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1917073267200).

1080403236864 is an abundant number, since it is smaller than the sum of its proper divisors (2753743297536).

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

1080403236864 is a wasteful number, since it uses less digits than its factorization.

1080403236864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9478 (or 9455 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 1080403236864 in words is "one trillion, eighty billion, four hundred three million, two hundred thirty-six thousand, eight hundred sixty-four".