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130193280 = 2732573229
BaseRepresentation
bin1111100001010…
…01011110000000
3100001222111121100
413300221132000
5231312141110
620530254400
73140424150
oct760513600
9301874540
10130193280
1167544158
1237727400
1320c85759
1413410760
15b66abc0
hex7c29780

130193280 has 192 divisors, whose sum is σ = 513957600. Its totient is φ = 29749248.

The previous prime is 130193233. The next prime is 130193291. The reversal of 130193280 is 82391031.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38706 + ... + 41934.

Almost surely, 2130193280 is an apocalyptic number.

130193280 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 130193280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256978800).

130193280 is an abundant number, since it is smaller than the sum of its proper divisors (383764320).

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

130193280 is a wasteful number, since it uses less digits than its factorization.

130193280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261 (or 3246 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 130193280 is about 11410.2269916071. The cubic root of 130193280 is about 506.8306332967.

The spelling of 130193280 in words is "one hundred thirty million, one hundred ninety-three thousand, two hundred eighty".