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30302241312 = 2537244914347
BaseRepresentation
bin11100001110001001…
…111000001000100000
32220012211000100111210
4130032021320020200
5444024333210222
621530510110120
72121626541600
oct341611701040
986184010453
1030302241312
111193a909442
125a581ab340
132b1bb99105
141676642c00
15bc542bd0c
hex70e278220

30302241312 has 144 divisors (see below), whose sum is σ = 92742602400. Its totient is φ = 8637898752.

The previous prime is 30302241287. The next prime is 30302241329. The reversal of 30302241312 is 21314220303.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2104923 + ... + 2119269.

It is an arithmetic number, because the mean of its divisors is an integer number (644045850).

Almost surely, 230302241312 is an apocalyptic number.

30302241312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30302241312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46371301200).

30302241312 is an abundant number, since it is smaller than the sum of its proper divisors (62440361088).

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

30302241312 is a wasteful number, since it uses less digits than its factorization.

30302241312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14823 (or 14808 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30302241312 its reverse (21314220303), we get a palindrome (51616461615).

The spelling of 30302241312 in words is "thirty billion, three hundred two million, two hundred forty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 336 392 449 588 672 784 898 1176 1347 1568 1796 2352 2694 3143 3592 4704 5388 6286 7184 9429 10776 12572 14347 14368 18858 21552 22001 25144 28694 37716 43041 43104 44002 50288 57388 66003 75432 86082 88004 100429 100576 114776 132006 150864 172164 176008 200858 229552 264012 301287 301728 344328 352016 401716 459104 528024 602574 688656 703003 704032 803432 1056048 1205148 1377312 1406006 1606864 2109009 2112096 2410296 2812012 3213728 4218018 4820592 5624024 6441803 8436036 9641184 11248048 12883606 16872072 19325409 22496096 25767212 33744144 38650818 45092621 51534424 67488288 77301636 90185242 103068848 135277863 154603272 180370484 206137696 270555726 309206544 315648347 360740968 541111452 618413088 631296694 721481936 946945041 1082222904 1262593388 1442963872 1893890082 2164445808 2525186776 3787780164 4328891616 5050373552 7575560328 10100747104 15151120656 30302241312