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30321412464 = 24372109118273
BaseRepresentation
bin11100001111010011…
…000000100101110000
32220021011002100101110
4130033103000211300
5444044240144324
621532433033320
72122251516300
oct341723004560
986234070343
1030321412464
111194a712a72
125a626b5840
132b22b4c1a5
141678dd3600
15bc6e67329
hex70f4c0970

30321412464 has 120 divisors (see below), whose sum is σ = 91955669520. Its totient is φ = 8583708672.

The previous prime is 30321412439. The next prime is 30321412487. The reversal of 30321412464 is 46421412303.

It is a congruent number.

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, 197232 + ... + 315504.

It is an arithmetic number, because the mean of its divisors is an integer number (766297246).

Almost surely, 230321412464 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 30321412464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45977834760).

30321412464 is an abundant number, since it is smaller than the sum of its proper divisors (61634257056).

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

30321412464 is a wasteful number, since it uses less digits than its factorization.

30321412464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118407 (or 118394 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 30321412464 its reverse (46421412303), we get a palindrome (76742824767).

The spelling of 30321412464 in words is "thirty billion, three hundred twenty-one million, four hundred twelve thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 109 112 147 168 196 218 294 327 336 392 436 588 654 763 784 872 1176 1308 1526 1744 2289 2352 2616 3052 4578 5232 5341 6104 9156 10682 12208 16023 18312 21364 32046 36624 42728 64092 85456 118273 128184 236546 256368 354819 473092 709638 827911 946184 1419276 1655822 1892368 2483733 2838552 3311644 4967466 5677104 5795377 6623288 9934932 11590754 12891757 13246576 17386131 19869864 23181508 25783514 34772262 38675271 39739728 46363016 51567028 69544524 77350542 90242299 92726032 103134056 139089048 154701084 180484598 206268112 270726897 278178096 309402168 360969196 541453794 618804336 631696093 721938392 1082907588 1263392186 1443876784 1895088279 2165815176 2526784372 3790176558 4331630352 5053568744 7580353116 10107137488 15160706232 30321412464