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130630500 = 2232537111329
BaseRepresentation
bin1111100100101…
…00001101100100
3100002210201100200
413302110031210
5231420134000
620543510500
73144224640
oct762241544
9302721320
10130630500
11678126a0
12378b8430
13210a9770
14134c5c20
15b705500
hex7c94364

130630500 has 576 divisors, whose sum is σ = 572382720. Its totient is φ = 24192000.

The previous prime is 130630477. The next prime is 130630523. The reversal of 130630500 is 5036031.

130630500 is a `hidden beast` number, since 1 + 30 + 630 + 5 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (130630477) and next prime (130630523).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 191 ways as a sum of consecutive naturals, for example, 4504486 + ... + 4504514.

It is an arithmetic number, because the mean of its divisors is an integer number (993720).

Almost surely, 2130630500 is an apocalyptic number.

130630500 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 130630500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286191360).

130630500 is an abundant number, since it is smaller than the sum of its proper divisors (441752220).

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

130630500 is a wasteful number, since it uses less digits than its factorization.

130630500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 130630500 is about 11429.3700613813. The cubic root of 130630500 is about 507.3973519818.

Adding to 130630500 its reverse (5036031), we get a palindrome (135666531).

The spelling of 130630500 in words is "one hundred thirty million, six hundred thirty thousand, five hundred".