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2017381140740 = 2257109769117189
BaseRepresentation
bin11101010110110101010…
…010010100100100000100
321010212012202112021200102
4131112311102110210010
5231023044033000430
64142434435103232
7265515404522540
oct35266522244404
97125182467612
102017381140740
11708626074109
12286b94a41b18
131183134c4c34
146d8db024a20
1537723d90345
hex1d5b5494904

2017381140740 has 96 divisors (see below), whose sum is σ = 4887053740800. Its totient is φ = 685198932480.

The previous prime is 2017381140713. The next prime is 2017381140787. The reversal of 2017381140740 is 470411837102.

It is a junction number, because it is equal to n+sod(n) for n = 2017381140694 and 2017381140703.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117356066 + ... + 117373254.

It is an arithmetic number, because the mean of its divisors is an integer number (50906809800).

Almost surely, 22017381140740 is an apocalyptic number.

2017381140740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2017381140740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2443526870400).

2017381140740 is an abundant number, since it is smaller than the sum of its proper divisors (2869672600060).

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

2017381140740 is a wasteful number, since it uses less digits than its factorization.

2017381140740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25005 (or 25003 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

Adding to 2017381140740 its reverse (470411837102), we get a palindrome (2487792977842).

The spelling of 2017381140740 in words is "two trillion, seventeen billion, three hundred eighty-one million, one hundred forty thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 109 140 218 436 545 763 1090 1526 2180 3052 3815 7630 7691 15260 15382 17189 30764 34378 38455 53837 68756 76910 85945 107674 120323 153820 171890 215348 240646 269185 343780 481292 538370 601615 838319 1076740 1203230 1676638 1873601 2406460 3353276 3747202 4191595 5868233 7494404 8383190 9368005 11736466 13115207 16766380 18736010 23472932 26230414 29341165 37472020 52460828 58682330 65576035 117364660 131152070 132200599 262304140 264401198 528802396 661002995 925404193 1322005990 1850808386 2644011980 3701616772 4627020965 9254041930 14409865291 18508083860 28819730582 57639461164 72049326455 100869057037 144098652910 201738114074 288197305820 403476228148 504345285185 1008690570370 2017381140740