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305050413145 = 5614969201281
BaseRepresentation
bin1000111000001100110…
…10111110100001011001
31002011101111011121010211
410130012122332201121
514444220401210040
6352045505011121
731016301505042
oct4340632764131
91064344147124
10305050413145
1110840a007465
124b154923aa1
13229c625b95a
1410a9bba78c9
157e05c728ea
hex47066be859

305050413145 has 16 divisors (see below), whose sum is σ = 372138212880. Its totient is φ = 239990169600.

The previous prime is 305050413137. The next prime is 305050413149. The reversal of 305050413145 is 541314050503.

It can be written as a sum of positive squares in 8 ways, for example, as 112514626624 + 192535786521 = 335432^2 + 438789^2 .

It is not a de Polignac number, because 305050413145 - 23 = 305050413137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (305050413149) 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 15 ways as a sum of consecutive naturals, for example, 1414905 + ... + 1616185.

It is an arithmetic number, because the mean of its divisors is an integer number (23258638305).

Almost surely, 2305050413145 is an apocalyptic number.

It is an amenable number.

305050413145 is a deficient number, since it is larger than the sum of its proper divisors (67087799735).

305050413145 is a wasteful number, since it uses less digits than its factorization.

305050413145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206316.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 305050413145 its reverse (541314050503), we get a palindrome (846364463648).

The spelling of 305050413145 in words is "three hundred five billion, fifty million, four hundred thirteen thousand, one hundred forty-five".

Divisors: 1 5 61 305 4969 24845 201281 303109 1006405 1515545 12278141 61390705 1000165289 5000826445 61010082629 305050413145