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2730276920 = 2357294159139
BaseRepresentation
bin1010001010111100…
…1011100000111000
321001021111102211102
42202233023200320
521042422330140
61130531150532
7124441654010
oct24257134070
97037442742
102730276920
111181196508
12642445448
13346857797
141bc874c40
1510ea65e15
hexa2bcb838

2730276920 has 256 divisors, whose sum is σ = 7620480000. Its totient is φ = 860590080.

The previous prime is 2730276917. The next prime is 2730276971. The reversal of 2730276920 is 296720372.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19642211 + ... + 19642349.

It is an arithmetic number, because the mean of its divisors is an integer number (29767500).

Almost surely, 22730276920 is an apocalyptic number.

2730276920 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 2730276920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3810240000).

2730276920 is an abundant number, since it is smaller than the sum of its proper divisors (4890203080).

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

2730276920 is a wasteful number, since it uses less digits than its factorization.

2730276920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 2730276920 is about 52252.0518257417. The cubic root of 2730276920 is about 1397.6622413761.

The spelling of 2730276920 in words is "two billion, seven hundred thirty million, two hundred seventy-six thousand, nine hundred twenty".