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304431014421 = 32148134336653
BaseRepresentation
bin1000110111000011000…
…00001010001000010101
31002002210022122212211100
410123201200022020111
514441433314430141
6351504221100313
730665040632622
oct4334140121025
91062708585740
10304431014421
11108121409a96
124b0013b7699
1322927b30531
1410a3d811349
157dbb6c20b6
hex46e180a215

304431014421 has 24 divisors (see below), whose sum is σ = 440224940376. Its totient is φ = 202727416320.

The previous prime is 304431014353. The next prime is 304431014431. The reversal of 304431014421 is 124410134403.

304431014421 is a `hidden beast` number, since 304 + 4 + 310 + 1 + 4 + 42 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 594140625 + 303836873796 = 24375^2 + 551214^2 .

It is not a de Polignac number, because 304431014421 - 211 = 304431012373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304431014431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45755131 + ... + 45761783.

It is an arithmetic number, because the mean of its divisors is an integer number (18342705849).

Almost surely, 2304431014421 is an apocalyptic number.

It is an amenable number.

304431014421 is a deficient number, since it is larger than the sum of its proper divisors (135793925955).

304431014421 is a wasteful number, since it uses less digits than its factorization.

304431014421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11573 (or 11570 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 304431014421 its reverse (124410134403), we get a palindrome (428841148824).

The spelling of 304431014421 in words is "three hundred four billion, four hundred thirty-one million, fourteen thousand, four hundred twenty-one".

Divisors: 1 3 9 1481 3433 4443 6653 10299 13329 19959 30897 59877 5084273 9853093 15252819 22839749 29559279 45758457 68519247 88677837 205557741 33825668269 101477004807 304431014421