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305305201345425 = 3524786611404637
BaseRepresentation
bin100010101101011000110100…
…0000100110000001110010001
31111000222220002102020110120120
41011122301220010300032101
5310004110023021023200
63001155135004500453
7121210400334042141
oct10532615004601621
91430886072213516
10305305201345425
1189309232962066
122a2aa23a24a729
1310148206a92068
145556bca034921
152546a501b89a0
hex115ac68130391

305305201345425 has 24 divisors (see below), whose sum is σ = 515511080405376. Its totient is φ = 159364984530240.

The previous prime is 305305201345423. The next prime is 305305201345451. The reversal of 305305201345425 is 524543102503503.

It is not a de Polignac number, because 305305201345425 - 21 = 305305201345423 is a prime.

It is a super-3 number, since 3×3053052013454253 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (305305201345423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43305698794 + ... + 43305705843.

It is an arithmetic number, because the mean of its divisors is an integer number (21479628350224).

Almost surely, 2305305201345425 is an apocalyptic number.

It is an amenable number.

305305201345425 is a deficient number, since it is larger than the sum of its proper divisors (210205879059951).

305305201345425 is a wasteful number, since it uses less digits than its factorization.

305305201345425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86611404697 (or 86611404692 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 42.

Adding to 305305201345425 its reverse (524543102503503), we get a palindrome (829848303848928).

The spelling of 305305201345425 in words is "three hundred five trillion, three hundred five billion, two hundred one million, three hundred forty-five thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 47 75 141 235 705 1175 3525 86611404637 259834213911 433057023185 1299171069555 2165285115925 4070736017939 6495855347775 12212208053817 20353680089695 61061040269085 101768400448475 305305201345425