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2988670320 = 2432531293457
BaseRepresentation
bin1011001000100011…
…0111110101110000
321201021201011221100
42302020313311300
522110044422240
61212321324400
7134030164356
oct26210676560
97637634840
102988670320
1112a4032279
126b4a96700
1338824869c
14204cd77d6
151275a6e30
hexb2237d70

2988670320 has 240 divisors, whose sum is σ = 10418833152. Its totient is φ = 766955520.

The previous prime is 2988670283. The next prime is 2988670327. The reversal of 2988670320 is 230768892.

2988670320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2988670327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6539532 + ... + 6539988.

Almost surely, 22988670320 is an apocalyptic number.

2988670320 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 2988670320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5209416576).

2988670320 is an abundant number, since it is smaller than the sum of its proper divisors (7430162832).

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

2988670320 is a wasteful number, since it uses less digits than its factorization.

2988670320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2988670320 is about 54668.7325625901. The cubic root of 2988670320 is about 1440.4316992711.

The spelling of 2988670320 in words is "two billion, nine hundred eighty-eight million, six hundred seventy thousand, three hundred twenty".