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2988090000 = 24345471731
BaseRepresentation
bin1011001000011010…
…1010001010010000
321201020121200220000
42302012222022100
522104422340000
61212301050000
7134022226440
oct26206521220
97636550800
102988090000
1112a3776275
126b4856900
133880a44bc
14204bc6120
151274e0000
hexb21aa290

2988090000 has 1000 divisors, whose sum is σ = 13499278848. Its totient is φ = 622080000.

The previous prime is 2988089999. The next prime is 2988090019. The reversal of 2988090000 is 908892.

It is a tau number, because it is divible by the number of its divisors (1000).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 1875 × 1581 × 1008.

It is an unprimeable number.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 96389985 + ... + 96390015.

Almost surely, 22988090000 is an apocalyptic number.

2988090000 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 2988090000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6749639424).

2988090000 is an abundant number, since it is smaller than the sum of its proper divisors (10511188848).

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

2988090000 is a wasteful number, since it uses less digits than its factorization.

2988090000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 2988090000 is about 54663.4247006168. The cubic root of 2988090000 is about 1440.3384621072.

Adding to 2988090000 its reverse (908892), we get a palindrome (2988998892).

The spelling of 2988090000 in words is "two billion, nine hundred eighty-eight million, ninety thousand".