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30201321002320 = 24513173167859721
BaseRepresentation
bin1101101110111110010110…
…00000101001010101010000
310221221012212222200022111101
412313133023000221111100
512424304301134033240
6144122143442554144
76234654613566016
oct667371300512520
9127835788608441
1030201321002320
1196943433a4906
123479275368954
1313b0c8433aab0
14765a74a988b6
153759141db39a
hex1b77cb029550

30201321002320 has 80 divisors (see below), whose sum is σ = 76056568599312. Its totient is φ = 11086798786560.

The previous prime is 30201321002249. The next prime is 30201321002393. The reversal of 30201321002320 is 2320012310203.

It can be written as a sum of positive squares in 8 ways, for example, as 940015567936 + 29261305434384 = 969544^2 + 5409372^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83749941 + ... + 84109780.

Almost surely, 230201321002320 is an apocalyptic number.

It is an amenable number.

30201321002320 is an abundant number, since it is smaller than the sum of its proper divisors (45855247596992).

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

30201321002320 is a wasteful number, since it uses less digits than its factorization.

30201321002320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167859920 (or 167859914 counting only the distinct ones).

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

Adding to 30201321002320 its reverse (2320012310203), we get a palindrome (32521333312523).

The spelling of 30201321002320 in words is "thirty trillion, two hundred one billion, three hundred twenty-one million, two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 173 208 260 346 520 692 865 1040 1384 1730 2249 2768 3460 4498 6920 8996 11245 13840 17992 22490 35984 44980 89960 179920 167859721 335719442 671438884 839298605 1342877768 1678597210 2182176373 2685755536 3357194420 4364352746 6714388840 8728705492 10910881865 13428777680 17457410984 21821763730 29039731733 34914821968 43643527460 58079463466 87287054920 116158926932 145198658665 174574109840 232317853864 290397317330 377516512529 464635707728 580794634660 755033025058 1161589269320 1510066050116 1887582562645 2323178538640 3020132100232 3775165125290 6040264200464 7550330250580 15100660501160 30201321002320