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30304429452 = 223311208912211
BaseRepresentation
bin11100001110010010…
…001110010110001100
32220012222010112002000
4130032102032112030
5444030413220302
621531025032300
72121654254163
oct341622162614
986188115060
1030304429452
1111941073420
125a58a85690
132b1c48407b
141676a523da
15bc571031c
hex70e48e58c

30304429452 has 96 divisors (see below), whose sum is σ = 85757548800. Its totient is φ = 9178012800.

The previous prime is 30304429399. The next prime is 30304429459. The reversal of 30304429452 is 25492440303.

It is a super-2 number, since 2×303044294522 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30304429459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2475627 + ... + 2487837.

It is an arithmetic number, because the mean of its divisors is an integer number (893307800).

Almost surely, 230304429452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30304429452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42878774400).

30304429452 is an abundant number, since it is smaller than the sum of its proper divisors (55453119348).

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

30304429452 is a wasteful number, since it uses less digits than its factorization.

30304429452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14324 (or 14316 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 30304429452 its reverse (25492440303), we get a palindrome (55796869755).

The spelling of 30304429452 in words is "thirty billion, three hundred four million, four hundred twenty-nine thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 132 198 297 396 594 1188 2089 4178 6267 8356 12211 12534 18801 22979 24422 25068 36633 37602 45958 48844 56403 68937 73266 75204 91916 109899 112806 134321 137874 146532 206811 219798 225612 268642 275748 329697 402963 413622 439596 537284 620433 659394 805926 827244 1208889 1240866 1318788 1611852 2417778 2481732 3626667 4835556 7253334 14506668 25508779 51017558 76526337 102035116 153052674 229579011 280596569 306105348 459158022 561193138 688737033 841789707 918316044 1122386276 1377474066 1683579414 2525369121 2754948132 3367158828 5050738242 7576107363 10101476484 15152214726 30304429452