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130018830 = 2356536637
BaseRepresentation
bin1111011111111…
…10111000001110
3100001122122022020
413233332320032
5231241100310
620522431010
73136066434
oct757767016
9301578266
10130018830
1167435087
1237662466
1320c24226
14133a6d54
15b634170
hex7bfee0e

130018830 has 32 divisors (see below), whose sum is σ = 312570144. Its totient is φ = 34613376.

The previous prime is 130018787. The next prime is 130018841. The reversal of 130018830 is 38810031.

It is a self number, because there is not a number n which added to its sum of digits gives 130018830.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16272 + ... + 22908.

It is an arithmetic number, because the mean of its divisors is an integer number (9767817).

Almost surely, 2130018830 is an apocalyptic number.

130018830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130018830 is an abundant number, since it is smaller than the sum of its proper divisors (182551314).

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

130018830 is a wasteful number, since it uses less digits than its factorization.

130018830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 130018830 is about 11402.5799712170. The cubic root of 130018830 is about 506.6041594364.

Adding to 130018830 its reverse (38810031), we get a palindrome (168828861).

The spelling of 130018830 in words is "one hundred thirty million, eighteen thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 653 1306 1959 3265 3918 6530 6637 9795 13274 19590 19911 33185 39822 66370 99555 199110 4333961 8667922 13001883 21669805 26003766 43339610 65009415 130018830