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20384049711350 = 252131913911874319
BaseRepresentation
bin1001010001010000010000…
…00010101100100011110110
32200011200210110202021000002
410220220020002230203312
510132433013211230400
6111204145252151302
74202461516505423
oct450501002544366
980150713667002
1020384049711350
1165499107184a6
122352695008532
13b4b291252a50
14506843d0cd4a
15255381307ed5
hex128a080ac8f6

20384049711350 has 96 divisors (see below), whose sum is σ = 43289020992000. Its totient is φ = 7078993418880.

The previous prime is 20384049711349. The next prime is 20384049711371. The reversal of 20384049711350 is 5311794048302.

It is a junction number, because it is equal to n+sod(n) for n = 20384049711295 and 20384049711304.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4220510 + ... + 7653809.

It is an arithmetic number, because the mean of its divisors is an integer number (450927302000).

Almost surely, 220384049711350 is an apocalyptic number.

20384049711350 is an abundant number, since it is smaller than the sum of its proper divisors (22904971280650).

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

20384049711350 is a wasteful number, since it uses less digits than its factorization.

20384049711350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11874502 (or 11874497 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 20384049711350 in words is "twenty trillion, three hundred eighty-four billion, forty-nine million, seven hundred eleven thousand, three hundred fifty".

Divisors: 1 2 5 10 13 19 25 26 38 50 65 95 130 139 190 247 278 325 475 494 650 695 950 1235 1390 1807 2470 2641 3475 3614 5282 6175 6950 9035 12350 13205 18070 26410 34333 45175 66025 68666 90350 132050 171665 343330 858325 1716650 11874319 23748638 59371595 118743190 154366147 225612061 296857975 308732294 451224122 593715950 771830735 1128060305 1543661470 1650530341 2256120610 2932956793 3301060682 3859153675 5640301525 5865913586 7718307350 8252651705 11280603050 14664783965 16505303410 21456894433 29329567930 31360076479 41263258525 42913788866 62720152958 73323919825 82526517050 107284472165 146647839650 156800382395 214568944330 313600764790 407680994227 536422360825 784001911975 815361988454 1072844721650 1568003823950 2038404971135 4076809942270 10192024855675 20384049711350