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445130300031125 = 534186854692689
BaseRepresentation
bin110010100110101111111100…
…1011010011000000010010101
32011101002001002221210122211012
41211031133321122120002111
5431321003323301444000
64214414011541422005
7162521413536525062
oct14515377132300225
92141061087718735
10445130300031125
11119917777932165
1241b11298a0a905
131614b7b7c902b7
147bcc5c8755c69
15366dcd98e8735
hex194d7f9698095

445130300031125 has 16 divisors (see below), whose sum is σ = 569071946504880. Its totient is φ = 347418770752000.

The previous prime is 445130300031047. The next prime is 445130300031127. The reversal of 445130300031125 is 521130003031544.

It can be written as a sum of positive squares in 8 ways, for example, as 303148562190244 + 141981737840881 = 17411162^2 + 11915609^2 .

It is not a de Polignac number, because 445130300031125 - 220 = 445130298982549 is a prime.

It is a super-2 number, since 2×4451303000311252 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445130300031091 and 445130300031100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445130300031127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43427341220 + ... + 43427351469.

It is an arithmetic number, because the mean of its divisors is an integer number (35566996656555).

Almost surely, 2445130300031125 is an apocalyptic number.

It is an amenable number.

445130300031125 is a deficient number, since it is larger than the sum of its proper divisors (123941646473755).

445130300031125 is an equidigital number, since it uses as much as digits as its factorization.

445130300031125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86854692745 (or 86854692735 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 445130300031125 its reverse (521130003031544), we get a palindrome (966260303062669).

The spelling of 445130300031125 in words is "four hundred forty-five trillion, one hundred thirty billion, three hundred million, thirty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 41 125 205 1025 5125 86854692689 434273463445 2171367317225 3561042400249 10856836586125 17805212001245 89026060006225 445130300031125