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2755550085120 = 2153357235373
BaseRepresentation
bin101000000110010011100…
…101011000000000000000
3100202102120000121221211000
4220012103211120000000
5330121331310210440
65505514321252000
7403040046156360
oct50062345300000
910672500557730
102755550085120
11972693205638
12386064194000
1316cb0256ca61
14975256589a0
154ba28cde730
hex28193958000

2755550085120 has 2048 divisors, whose sum is σ = 12067331788800. Its totient is φ = 582991478784.

The previous prime is 2755550085091. The next prime is 2755550085139. The reversal of 2755550085120 is 215800555572.

2755550085120 is a `hidden beast` number, since 2 + 7 + 5 + 5 + 550 + 0 + 85 + 12 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2048).

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 127 ways as a sum of consecutive naturals, for example, 37747261404 + ... + 37747261476.

It is an arithmetic number, because the mean of its divisors is an integer number (5892251850).

Almost surely, 22755550085120 is an apocalyptic number.

2755550085120 is a gapful number since it is divisible by the number (20) 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 2755550085120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6033665894400).

2755550085120 is an abundant number, since it is smaller than the sum of its proper divisors (9311781703680).

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

2755550085120 is an equidigital number, since it uses as much as digits as its factorization.

2755550085120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 700000, while the sum is 45.

The spelling of 2755550085120 in words is "two trillion, seven hundred fifty-five billion, five hundred fifty million, eighty-five thousand, one hundred twenty".