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304011430020 = 223251988892231
BaseRepresentation
bin1000110110010000111…
…11100100100010000100
31002001201002010210020100
410123020133210202010
514440103411230040
6351354432004100
730651454342524
oct4331037444204
91061632123210
10304011430020
11107a26588021
124ab04990630
132288bc22a3c
14109ddbcd684
157d94940b30
hex46c87e4884

304011430020 has 72 divisors (see below), whose sum is σ = 970703173440. Its totient is φ = 76802886720.

The previous prime is 304011429991. The next prime is 304011430061. The reversal of 304011430020 is 20034110403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 304011429975 and 304011430002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44442696 + ... + 44449535.

It is an arithmetic number, because the mean of its divisors is an integer number (13481988520).

Almost surely, 2304011430020 is an apocalyptic number.

304011430020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304011430020 is an abundant number, since it is smaller than the sum of its proper divisors (666691743420).

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

304011430020 is a wasteful number, since it uses less digits than its factorization.

304011430020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88892265 (or 88892260 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 304011430020 its reverse (20034110403), we get a palindrome (324045540423).

The spelling of 304011430020 in words is "three hundred four billion, eleven million, four hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 171 180 190 228 285 342 380 570 684 855 1140 1710 3420 88892231 177784462 266676693 355568924 444461155 533353386 800030079 888922310 1066706772 1333383465 1600060158 1688952389 1777844620 2666766930 3200120316 3377904778 4000150395 5066857167 5333533860 6755809556 8000300790 8444761945 10133714334 15200571501 16000601580 16889523890 20267428668 25334285835 30401143002 33779047780 50668571670 60802286004 76002857505 101337143340 152005715010 304011430020