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2988392960 = 29571967131
BaseRepresentation
bin1011001000011111…
…0100001000000000
321201021012002110202
42302013310020000
522110012033320
61212311344332
7134024630630
oct26207641000
97637162422
102988392960
1112a3962953
126b49820a8
1338817c377
14204c646c0
1512754eb75
hexb21f4200

2988392960 has 320 divisors, whose sum is σ = 8815150080. Its totient is φ = 948879360.

The previous prime is 2988392951. The next prime is 2988392977. The reversal of 2988392960 is 692938892.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 2988392896 and 2988392905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22812095 + ... + 22812225.

It is an arithmetic number, because the mean of its divisors is an integer number (27547344).

Almost surely, 22988392960 is an apocalyptic number.

2988392960 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 2988392960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4407575040).

2988392960 is an abundant number, since it is smaller than the sum of its proper divisors (5826757120).

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

2988392960 is a wasteful number, since it uses less digits than its factorization.

2988392960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 56.

The square root of 2988392960 is about 54666.1957703296. The cubic root of 2988392960 is about 1440.3871387082.

The spelling of 2988392960 in words is "two billion, nine hundred eighty-eight million, three hundred ninety-two thousand, nine hundred sixty".