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130245105 = 3531280097
BaseRepresentation
bin1111100001101…
…10000111110001
3100002002010200210
413300312013301
5231320320410
620531334333
73141031224
oct760660761
9302063623
10130245105
116757a091
12377513a9
1320ca3213
14134255bb
15b67b220
hex7c361f1

130245105 has 16 divisors (see below), whose sum is σ = 215115264. Its totient is φ = 67223040.

The previous prime is 130245097. The next prime is 130245121. The reversal of 130245105 is 501542031.

It is not a de Polignac number, because 130245105 - 23 = 130245097 is a prime.

It is a super-2 number, since 2×1302451052 = 33927574752922050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139584 + ... + 140513.

It is an arithmetic number, because the mean of its divisors is an integer number (13444704).

Almost surely, 2130245105 is an apocalyptic number.

130245105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130245105 is a deficient number, since it is larger than the sum of its proper divisors (84870159).

130245105 is a wasteful number, since it uses less digits than its factorization.

130245105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280136.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 130245105 is about 11412.4977546548. The cubic root of 130245105 is about 506.8978743840.

Adding to 130245105 its reverse (501542031), we get a palindrome (631787136).

The spelling of 130245105 in words is "one hundred thirty million, two hundred forty-five thousand, one hundred five".

Divisors: 1 3 5 15 31 93 155 465 280097 840291 1400485 4201455 8683007 26049021 43415035 130245105