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130044045 = 3513996197
BaseRepresentation
bin1111100000001…
…01000010001101
3100001200220220010
413300011002031
5231242402140
620523143433
73136233105
oct760050215
9301626803
10130044045
116745201a
1237674b79
1320c32851
14133b2205
15b63b880
hex7c0508d

130044045 has 16 divisors (see below), whose sum is σ = 208252800. Its totient is φ = 69296064.

The previous prime is 130044043. The next prime is 130044049. The reversal of 130044045 is 540440031.

It is not a de Polignac number, because 130044045 - 21 = 130044043 is a prime.

It is a super-2 number, since 2×1300440452 = 33822907279924050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130044043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17887 + ... + 24083.

It is an arithmetic number, because the mean of its divisors is an integer number (13015800).

Almost surely, 2130044045 is an apocalyptic number.

130044045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130044045 is a deficient number, since it is larger than the sum of its proper divisors (78208755).

130044045 is a wasteful number, since it uses less digits than its factorization.

130044045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7604.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 130044045 is about 11403.6855884403. The cubic root of 130044045 is about 506.6369064834.

Adding to 130044045 its reverse (540440031), we get a palindrome (670484076).

The spelling of 130044045 in words is "one hundred thirty million, forty-four thousand, forty-five".

Divisors: 1 3 5 15 1399 4197 6197 6995 18591 20985 30985 92955 8669603 26008809 43348015 130044045