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304203211420 = 22531859957059
BaseRepresentation
bin1000110110100111110…
…11001010001010011100
31002002012110000021212011
410123103323022022130
514441002010231140
6351425442321004
730656303430133
oct4332373121234
91062173007764
10304203211420
11108014867249
124ab59059164
13228bc890264
1410a1b47291a
157da66c4cea
hex46d3eca29c

304203211420 has 48 divisors (see below), whose sum is σ = 659522304000. Its totient is φ = 117740324160.

The previous prime is 304203211399. The next prime is 304203211423. The reversal of 304203211420 is 24112302403.

It is a junction number, because it is equal to n+sod(n) for n = 304203211391 and 304203211400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304203211423) 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, 5302851 + ... + 5359909.

It is an arithmetic number, because the mean of its divisors is an integer number (13740048000).

Almost surely, 2304203211420 is an apocalyptic number.

It is an amenable number.

304203211420 is an abundant number, since it is smaller than the sum of its proper divisors (355319092580).

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

304203211420 is a wasteful number, since it uses less digits than its factorization.

304203211420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65698 (or 65696 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 304203211420 its reverse (24112302403), we get a palindrome (328315513823).

The spelling of 304203211420 in words is "three hundred four billion, two hundred three million, two hundred eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 8599 17198 34396 42995 57059 85990 114118 171980 228236 266569 285295 533138 570590 1066276 1141180 1332845 1768829 2665690 3537658 5331380 7075316 8844145 17688290 35376580 490650341 981300682 1962601364 2453251705 4906503410 9813006820 15210160571 30420321142 60840642284 76050802855 152101605710 304203211420