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30323140120 = 23571336722699
BaseRepresentation
bin11100001111011001…
…100110011000011000
32220021021100010021201
4130033121212120120
5444100210440440
621532534043544
72122302303220
oct341731463030
986237303251
1030323140120
1111950692a89
125a631a95b4
132b23305680
141679323080
15bc71a919a
hex70f666618

30323140120 has 128 divisors (see below), whose sum is σ = 84204288000. Its totient is φ = 9570203136.

The previous prime is 30323140069. The next prime is 30323140129. The reversal of 30323140120 is 2104132303.

It is a super-2 number, since 2×303231401202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30323140129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1324531 + ... + 1347229.

It is an arithmetic number, because the mean of its divisors is an integer number (657846000).

Almost surely, 230323140120 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 30323140120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42102144000).

30323140120 is an abundant number, since it is smaller than the sum of its proper divisors (53881147880).

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

30323140120 is a wasteful number, since it uses less digits than its factorization.

30323140120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23097 (or 23093 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30323140120 its reverse (2104132303), we get a palindrome (32427272423).

The spelling of 30323140120 in words is "thirty billion, three hundred twenty-three million, one hundred forty thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 56 65 70 91 104 130 140 182 260 280 364 367 455 520 728 734 910 1468 1820 1835 2569 2936 3640 3670 4771 5138 7340 9542 10276 12845 14680 19084 20552 22699 23855 25690 33397 38168 45398 47710 51380 66794 90796 95420 102760 113495 133588 158893 166985 181592 190840 226990 267176 295087 317786 333970 453980 590174 635572 667940 794465 907960 1180348 1271144 1335880 1475435 1588930 2065609 2360696 2950870 3177860 4131218 5901740 6355720 8262436 8330533 10328045 11803480 16524872 16661066 20656090 33322132 41312180 41652665 58313731 66644264 82624360 83305330 108296929 116627462 166610660 216593858 233254924 291568655 333221320 433187716 466509848 541484645 583137310 758078503 866375432 1082969290 1166274620 1516157006 2165938580 2332549240 3032314012 3790392515 4331877160 6064628024 7580785030 15161570060 30323140120