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331133203120 = 24515197728057
BaseRepresentation
bin1001101000110010001…
…00111011001010110000
31011122201020112121120011
410310121010323022300
520411130044444440
6412042005424304
732631534533356
oct4643104731260
91148636477504
10331133203120
11118484073635
1254213a0b094
13252c1bcb5a5
1412053c8d7d6
158930a2b9ea
hex4d1913b2b0

331133203120 has 80 divisors (see below), whose sum is σ = 775804148928. Its totient is φ = 131436748800.

The previous prime is 331133203109. The next prime is 331133203123. The reversal of 331133203120 is 21302331133.

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

It is a super-2 number, since 2×3311332031202 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331133203091 and 331133203100.

It is not an unprimeable number, because it can be changed into a prime (331133203123) 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 15 ways as a sum of consecutive naturals, for example, 11788132 + ... + 11816188.

Almost surely, 2331133203120 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 331133203120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387902074464).

331133203120 is an abundant number, since it is smaller than the sum of its proper divisors (444670945808).

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

331133203120 is a wasteful number, since it uses less digits than its factorization.

331133203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29198 (or 29192 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 331133203120 its reverse (21302331133), we get a palindrome (352435534253).

The spelling of 331133203120 in words is "three hundred thirty-one billion, one hundred thirty-three million, two hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 151 302 604 755 977 1208 1510 1954 2416 3020 3908 4885 6040 7816 9770 12080 15632 19540 28057 39080 56114 78160 112228 140285 147527 224456 280570 295054 448912 561140 590108 737635 1122280 1180216 1475270 2244560 2360432 2950540 4236607 5901080 8473214 11802160 16946428 21183035 27411689 33892856 42366070 54823378 67785712 84732140 109646756 137058445 169464280 219293512 274116890 338928560 438587024 548233780 1096467560 2192935120 4139165039 8278330078 16556660156 20695825195 33113320312 41391650390 66226640624 82783300780 165566601560 331133203120