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130120545 = 35231372753
BaseRepresentation
bin1111100000101…
…11101101100001
3100001211210211110
413300113231201
5231302324140
620524533533
73140002122
oct760275541
9301753743
10130120545
11674a4545
12376b12a9
1320c5b609
14133d2049
15b654380
hex7c17b61

130120545 has 32 divisors (see below), whose sum is σ = 218909952. Its totient is φ = 65871872.

The previous prime is 130120519. The next prime is 130120559. The reversal of 130120545 is 545021031.

It is a cyclic number.

It is not a de Polignac number, because 130120545 - 29 = 130120033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45889 + ... + 48641.

It is an arithmetic number, because the mean of its divisors is an integer number (6840936).

Almost surely, 2130120545 is an apocalyptic number.

130120545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130120545 is a deficient number, since it is larger than the sum of its proper divisors (88789407).

130120545 is a wasteful number, since it uses less digits than its factorization.

130120545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921.

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

The square root of 130120545 is about 11407.0392740623. The cubic root of 130120545 is about 506.7362321283.

Adding to 130120545 its reverse (545021031), we get a palindrome (675141576).

The spelling of 130120545 in words is "one hundred thirty million, one hundred twenty thousand, five hundred forty-five".

Divisors: 1 3 5 15 23 69 115 137 345 411 685 2055 2753 3151 8259 9453 13765 15755 41295 47265 63319 189957 316595 377161 949785 1131483 1885805 5657415 8674703 26024109 43373515 130120545