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799490805120 = 27335721974793
BaseRepresentation
bin10111010001001010101…
…11011000110110000000
32211102121212222221221000
423220211113120312000
5101044324121230440
61411140410332000
7111522061500600
oct13504527306600
92742555887830
10799490805120
11289075798087
1210ab43a2a000
135a512625327
142a9a4898c00
1515be375e730
hexba255d8d80

799490805120 has 768 divisors, whose sum is σ = 3311231140800. Its totient is φ = 181775204352.

The previous prime is 799490805107. The next prime is 799490805131. The reversal of 799490805120 is 21508094997.

799490805120 is a `hidden beast` number, since 7 + 9 + 9 + 49 + 0 + 80 + 512 + 0 = 666.

It is a super-3 number, since 3×7994908051203 (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 166801444 + ... + 166806236.

Almost surely, 2799490805120 is an apocalyptic number.

799490805120 is a gapful number since it is divisible by the number (70) 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 799490805120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1655615570400).

799490805120 is an abundant number, since it is smaller than the sum of its proper divisors (2511740335680).

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

799490805120 is a wasteful number, since it uses less digits than its factorization.

799490805120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032 (or 5007 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 799490805120 in words is "seven hundred ninety-nine billion, four hundred ninety million, eight hundred five thousand, one hundred twenty".