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130132730 = 25721331659
BaseRepresentation
bin1111100000110…
…10101011111010
3100001212102112202
413300122223322
5231303221410
620525110202
73140052500
oct760325372
9301772482
10130132730
1167502712
12376b8362
1320c64020
14133d6670
15b657ca5
hex7c1aafa

130132730 has 96 divisors (see below), whose sum is σ = 303367680. Its totient is φ = 39795840.

The previous prime is 130132697. The next prime is 130132741. The reversal of 130132730 is 37231031.

It is a happy number.

130132730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 197141 + ... + 197799.

It is an arithmetic number, because the mean of its divisors is an integer number (3160080).

Almost surely, 2130132730 is an apocalyptic number.

130132730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130132730 is an abundant number, since it is smaller than the sum of its proper divisors (173234950).

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

130132730 is a wasteful number, since it uses less digits than its factorization.

130132730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 130132730 is about 11407.5733615875. The cubic root of 130132730 is about 506.7520492264.

Adding to 130132730 its reverse (37231031), we get a palindrome (167363761).

The spelling of 130132730 in words is "one hundred thirty million, one hundred thirty-two thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 31 35 49 62 65 70 91 98 130 155 182 217 245 310 403 434 455 490 637 659 806 910 1085 1274 1318 1519 2015 2170 2821 3038 3185 3295 4030 4613 5642 6370 6590 7595 8567 9226 14105 15190 17134 19747 20429 23065 28210 32291 39494 40858 42835 46130 59969 64582 85670 98735 102145 119938 143003 161455 197470 204290 265577 286006 299845 322910 419783 531154 599690 715015 839566 1001021 1327885 1430030 1859039 2002042 2098915 2655770 3718078 4197830 5005105 9295195 10010210 13013273 18590390 26026546 65066365 130132730