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274780666080 = 253251921792953
BaseRepresentation
bin1111111111101000110…
…1000011100011100000
3222021020221022010100200
43333322031003203200
514000222322303310
6330122115145200
725565215060434
oct3777215034340
9867227263320
10274780666080
11a6596582478
12453075a5200
131cbb102bc0b
14d4299c29c4
1572336139c0
hex3ffa3438e0

274780666080 has 432 divisors, whose sum is σ = 995504262480. Its totient is φ = 69007085568.

The previous prime is 274780666073. The next prime is 274780666091. The reversal of 274780666080 is 80666087472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 93049884 + ... + 93052836.

It is an arithmetic number, because the mean of its divisors is an integer number (2304408015).

Almost surely, 2274780666080 is an apocalyptic number.

274780666080 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 274780666080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497752131240).

274780666080 is an abundant number, since it is smaller than the sum of its proper divisors (720723596400).

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

274780666080 is a wasteful number, since it uses less digits than its factorization.

274780666080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191 (or 3161 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 274780666080 in words is "two hundred seventy-four billion, seven hundred eighty million, six hundred sixty-six thousand, eighty".