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130521030 = 2354350701
BaseRepresentation
bin1111100011110…
…01011111000110
3100002121011012020
413301321133012
5231403133110
620541304010
73143260533
oct761713706
9302534166
10130521030
1167748422
1237865006
132106b9a3
1413497d8a
15b6d2d70
hex7c797c6

130521030 has 16 divisors (see below), whose sum is σ = 313250544. Its totient is φ = 34805600.

The previous prime is 130521011. The next prime is 130521047. The reversal of 130521030 is 30125031.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2175321 + ... + 2175380.

It is an arithmetic number, because the mean of its divisors is an integer number (19578159).

Almost surely, 2130521030 is an apocalyptic number.

130521030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130521030 is an abundant number, since it is smaller than the sum of its proper divisors (182729514).

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

130521030 is a wasteful number, since it uses less digits than its factorization.

130521030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350711.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 130521030 is about 11424.5800798104. The cubic root of 130521030 is about 507.2555772531.

Adding to 130521030 its reverse (30125031), we get a palindrome (160646061).

The spelling of 130521030 in words is "one hundred thirty million, five hundred twenty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 4350701 8701402 13052103 21753505 26104206 43507010 65260515 130521030