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130105444520 = 2353252636113
BaseRepresentation
bin111100100101011100…
…0111000100010101000
3110102211021100101022102
41321022320320202220
54112423443211040
6135434123112532
712254064013532
oct1711270704250
9412737311272
10130105444520
11501a514a167
1221270072748
13c3659a353c
1464234b6852
1535b7241515
hex1e4ae388a8

130105444520 has 16 divisors (see below), whose sum is σ = 292737250260. Its totient is φ = 52042177792.

The previous prime is 130105444517. The next prime is 130105444523. The reversal of 130105444520 is 25444501031.

It is an interprime number because it is at equal distance from previous prime (130105444517) and next prime (130105444523).

It can be written as a sum of positive squares in 2 ways, for example, as 130077078244 + 28366276 = 360662^2 + 5326^2 .

It is not an unprimeable number, because it can be changed into a prime (130105444523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1626318017 + ... + 1626318096.

Almost surely, 2130105444520 is an apocalyptic number.

130105444520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130105444520 is an abundant number, since it is smaller than the sum of its proper divisors (162631805740).

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

130105444520 is a wasteful number, since it uses less digits than its factorization.

130105444520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252636124 (or 3252636120 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 130105444520 its reverse (25444501031), we get a palindrome (155549945551).

The spelling of 130105444520 in words is "one hundred thirty billion, one hundred five million, four hundred forty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3252636113 6505272226 13010544452 16263180565 26021088904 32526361130 65052722260 130105444520