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2931470080 = 2857311607
BaseRepresentation
bin1010111010111010…
…1010111100000000
321120022002002221221
42232232222330000
522000424020310
61202515324424
7132434041000
oct25656527400
97508062857
102931470080
111274813950
126998b0714
1337943bba6
141db488000
15122558ada
hexaebaaf00

2931470080 has 288 divisors, whose sum is σ = 8947814400. Its totient is φ = 912199680.

The previous prime is 2931470051. The next prime is 2931470099. The reversal of 2931470080 is 800741392.

2931470080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4829137 + ... + 4829743.

It is an arithmetic number, because the mean of its divisors is an integer number (31068800).

Almost surely, 22931470080 is an apocalyptic number.

2931470080 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 2931470080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4473907200).

2931470080 is an abundant number, since it is smaller than the sum of its proper divisors (6016344320).

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

2931470080 is an equidigital number, since it uses as much as digits as its factorization.

2931470080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2931470080 is about 54143.0520011571. The cubic root of 2931470080 is about 1431.1829551554.

The spelling of 2931470080 in words is "two billion, nine hundred thirty-one million, four hundred seventy thousand, eighty".