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130189800 = 233521316691
BaseRepresentation
bin1111100001010…
…00100111101000
3100001222022211110
413300220213220
5231312033200
620530230320
73140411046
oct760504750
9301868743
10130189800
1167541584
12377253a0
1320c83cb0
141340d396
15b669b50
hex7c289e8

130189800 has 96 divisors (see below), whose sum is σ = 434659680. Its totient is φ = 32044800.

The previous prime is 130189781. The next prime is 130189819. The reversal of 130189800 is 8981031.

130189800 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (130189781) and next prime (130189819).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 546 + ... + 16145.

It is an arithmetic number, because the mean of its divisors is an integer number (4527705).

Almost surely, 2130189800 is an apocalyptic number.

130189800 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 130189800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217329840).

130189800 is an abundant number, since it is smaller than the sum of its proper divisors (304469880).

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

130189800 is a wasteful number, since it uses less digits than its factorization.

130189800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16723 (or 16714 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 130189800 is about 11410.0744958129. The cubic root of 130189800 is about 506.8261174817.

The spelling of 130189800 in words is "one hundred thirty million, one hundred eighty-nine thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 25 26 30 39 40 50 52 60 65 75 78 100 104 120 130 150 156 195 200 260 300 312 325 390 520 600 650 780 975 1300 1560 1950 2600 3900 7800 16691 33382 50073 66764 83455 100146 133528 166910 200292 216983 250365 333820 400584 417275 433966 500730 650949 667640 834550 867932 1001460 1084915 1251825 1301898 1669100 1735864 2002920 2169830 2503650 2603796 3254745 3338200 4339660 5007300 5207592 5424575 6509490 8679320 10014600 10849150 13018980 16273725 21698300 26037960 32547450 43396600 65094900 130189800