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2997820000 = 2554731923
BaseRepresentation
bin1011001010101111…
…0001101001100000
321201220221000221101
42302223301221200
522114420220000
61213245404144
7134201023000
oct26253615140
97656830841
102997820000
1112a921159a
126b7b69654
1338a1001b6
142061da000
151282b2e6a
hexb2af1a60

2997820000 has 480 divisors, whose sum is σ = 9446976000. Its totient is φ = 931392000.

The previous prime is 2997819991. The next prime is 2997820009. The reversal of 2997820000 is 287992.

It is an interprime number because it is at equal distance from previous prime (2997819991) and next prime (2997820009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997820009) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 130339989 + ... + 130340011.

It is an arithmetic number, because the mean of its divisors is an integer number (19681200).

Almost surely, 22997820000 is an apocalyptic number.

2997820000 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 2997820000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4723488000).

2997820000 is an abundant number, since it is smaller than the sum of its proper divisors (6449156000).

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

2997820000 is an equidigital number, since it uses as much as digits as its factorization.

2997820000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 2997820000 is about 54752.3515476733. The cubic root of 2997820000 is about 1441.9001407582.

The spelling of 2997820000 in words is "two billion, nine hundred ninety-seven million, eight hundred twenty thousand".