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130045518 = 2327224751
BaseRepresentation
bin1111100000001…
…01011001001110
3100001200222220200
413300011121032
5231242424033
620523154330
73136240311
oct760053116
9301628820
10130045518
1167453139
12376759a6
1320c33415
14133b2978
15b63c013
hex7c0564e

130045518 has 12 divisors (see below), whose sum is σ = 281765328. Its totient is φ = 43348500.

The previous prime is 130045477. The next prime is 130045549. The reversal of 130045518 is 815540031.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130045491 and 130045500.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 3612358 + ... + 3612393.

It is an arithmetic number, because the mean of its divisors is an integer number (23480444).

Almost surely, 2130045518 is an apocalyptic number.

130045518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

130045518 is an abundant number, since it is smaller than the sum of its proper divisors (151719810).

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

130045518 is a wasteful number, since it uses less digits than its factorization.

130045518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7224759 (or 7224756 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 130045518 is about 11403.7501726406. The cubic root of 130045518 is about 506.6388193567.

Adding to 130045518 its reverse (815540031), we get a palindrome (945585549).

The spelling of 130045518 in words is "one hundred thirty million, forty-five thousand, five hundred eighteen".

Divisors: 1 2 3 6 9 18 7224751 14449502 21674253 43348506 65022759 130045518