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82417118260 = 22517273195329
BaseRepresentation
bin100110011000001110…
…0010110110000110100
321212201210100101220111
41030300130112300310
52322242240241020
6101510100512404
75645241642421
oct1146034266064
9255653311814
1082417118260
1131a53350884
1213b813ab704
137a05b352c9
143dbbbb2d48
1522257c6d5a
hex1330716c34

82417118260 has 72 divisors (see below), whose sum is σ = 186375291480. Its totient is φ = 30602428416.

The previous prime is 82417118237. The next prime is 82417118309. The reversal of 82417118260 is 6281171428.

It can be written as a sum of positive squares in 12 ways, for example, as 705752356 + 81711365904 = 26566^2 + 285852^2 .

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, 324276 + ... + 519604.

It is an arithmetic number, because the mean of its divisors is an integer number (2588545715).

Almost surely, 282417118260 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 82417118260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93187645740).

82417118260 is an abundant number, since it is smaller than the sum of its proper divisors (103958173220).

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

82417118260 is a wasteful number, since it uses less digits than its factorization.

82417118260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195445 (or 195426 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

Adding to 82417118260 its reverse (6281171428), we get a palindrome (88698289688).

The spelling of 82417118260 in words is "eighty-two billion, four hundred seventeen million, one hundred eighteen thousand, two hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 73 85 146 170 289 292 340 365 578 730 1156 1241 1445 1460 2482 2890 4964 5780 6205 12410 21097 24820 42194 84388 105485 195329 210970 390658 421940 781316 976645 1953290 3320593 3906580 6641186 13282372 14259017 16602965 28518034 33205930 56450081 57036068 66411860 71295085 112900162 142590170 225800324 242403289 282250405 285180340 484806578 564500810 969613156 1129001620 1212016445 2424032890 4120855913 4848065780 8241711826 16483423652 20604279565 41208559130 82417118260