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1080852805494 = 2327112471738719
BaseRepresentation
bin11111011101001111101…
…10001111011101110110
310211022212111020111200200
433232213312033131312
5120202041304233434
62144311550421330
7141042353155020
oct17564766173566
93738774214620
101080852805494
1138742925a400
12155587501846
137ac01cb1897
143a456575010
151d1aea3d199
hexfba7d8f776

1080852805494 has 288 divisors, whose sum is σ = 3022130442240. Its totient is φ = 273148191360.

The previous prime is 1080852805489. The next prime is 1080852805517. The reversal of 1080852805494 is 4945082580801.

1080852805494 is a `hidden beast` number, since 10 + 8 + 0 + 8 + 5 + 2 + 80 + 549 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1080852805494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 123960867 + ... + 123969585.

It is an arithmetic number, because the mean of its divisors is an integer number (10493508480).

Almost surely, 21080852805494 is an apocalyptic number.

1080852805494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1080852805494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511065221120).

1080852805494 is an abundant number, since it is smaller than the sum of its proper divisors (1941277636746).

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

1080852805494 is a wasteful number, since it uses less digits than its factorization.

1080852805494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976 (or 8962 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 54.

The spelling of 1080852805494 in words is "one trillion, eighty billion, eight hundred fifty-two million, eight hundred five thousand, four hundred ninety-four".