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130488960 = 2735721973
BaseRepresentation
bin1111100011100…
…01101010000000
3100002112112012110
413301301222000
5231401121320
620540455320
73143065200
oct761615200
9302475173
10130488960
1167726318
123784a540
132105a204
141348a400
15b6c85e0
hex7c71a80

130488960 has 384 divisors, whose sum is σ = 516283200. Its totient is φ = 27869184.

The previous prime is 130488931. The next prime is 130488977. The reversal of 130488960 is 69884031.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1787484 + ... + 1787556.

Almost surely, 2130488960 is an apocalyptic number.

130488960 is a gapful number since it is divisible by the number (10) 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 130488960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258141600).

130488960 is an abundant number, since it is smaller than the sum of its proper divisors (385794240).

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

130488960 is a wasteful number, since it uses less digits than its factorization.

130488960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 130488960 is about 11423.1764409029. The cubic root of 130488960 is about 507.2140283448.

The spelling of 130488960 in words is "one hundred thirty million, four hundred eighty-eight thousand, nine hundred sixty".