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223102231243240 = 23525492188134869
BaseRepresentation
bin110010101110100100001001…
…001111011110100111101000
31002020221100212002111002020111
4302232210021033132213220
5213220301332144240430
62110255430005304104
764664414161665406
oct6256441117364750
91066840762432214
10223102231243240
11650a6141301238
1221032859a05034
1397645b0c326cb
143d142c428a476
151abd6036e2c2a
hexcae9093de9e8

223102231243240 has 32 divisors (see below), whose sum is σ = 502176952665000. Its totient is φ = 89205882298624.

The previous prime is 223102231243231. The next prime is 223102231243289. The reversal of 223102231243240 is 42342132201322.

It can be written as a sum of positive squares in 4 ways, for example, as 191288096521636 + 31814134721604 = 13830694^2 + 5640402^2 .

It is a super-3 number, since 3×2231022312432403 (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093965475 + ... + 1094169394.

Almost surely, 2223102231243240 is an apocalyptic number.

223102231243240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223102231243240 is an abundant number, since it is smaller than the sum of its proper divisors (279074721421760).

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

223102231243240 is a wasteful number, since it uses less digits than its factorization.

223102231243240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188137429 (or 2188137425 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 223102231243240 its reverse (42342132201322), we get a palindrome (265444363444562).

The spelling of 223102231243240 in words is "two hundred twenty-three trillion, one hundred two billion, two hundred thirty-one million, two hundred forty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 2549 5098 10196 12745 20392 25490 50980 101960 2188134869 4376269738 8752539476 10940674345 17505078952 21881348690 43762697380 87525394760 5577555781081 11155111562162 22310223124324 27887778905405 44620446248648 55775557810810 111551115621620 223102231243240