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130018200 = 233521379211
BaseRepresentation
bin1111011111111…
…10101110011000
3100001122121102220
413233332232120
5231241040300
620522424040
73136064544
oct757765630
9301577386
10130018200
1167434664
1237662020
1320c23b60
14133a6a24
15b633da0
hex7bfeb98

130018200 has 192 divisors, whose sum is σ = 441638400. Its totient is φ = 31449600.

The previous prime is 130018199. The next prime is 130018201. The reversal of 130018200 is 2810031.

It is a happy number.

130018200 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 (130018199) and next prime (130018201).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 130018200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130018201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 616095 + ... + 616305.

It is an arithmetic number, because the mean of its divisors is an integer number (2300200).

Almost surely, 2130018200 is an apocalyptic number.

130018200 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 130018200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220819200).

130018200 is an abundant number, since it is smaller than the sum of its proper divisors (311620200).

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

130018200 is a wasteful number, since it uses less digits than its factorization.

130018200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 130018200 is about 11402.5523458566. The cubic root of 130018200 is about 506.6033411930.

Adding to 130018200 its reverse (2810031), we get a palindrome (132828231).

The spelling of 130018200 in words is "one hundred thirty million, eighteen thousand, two hundred".