Search a number
-
+
243310223130 = 23513877711371
BaseRepresentation
bin1110001010011001101…
…0110101111100011010
3212021000201002222110120
43202212122311330122
512441244404120010
6303435234254110
723402311526052
oct3424632657432
9767021088416
10243310223130
1194207306937
123b1a4127336
1319c37123040
14bac216a562
1564e087ce70
hex38a66b5f1a

243310223130 has 64 divisors (see below), whose sum is σ = 629581292928. Its totient is φ = 59823371520.

The previous prime is 243310223129. The next prime is 243310223147. The reversal of 243310223130 is 31322013342.

It is a self number, because there is not a number n which added to its sum of digits gives 243310223130.

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, 13656 + ... + 697715.

It is an arithmetic number, because the mean of its divisors is an integer number (9837207702).

Almost surely, 2243310223130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243310223130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314790646464).

243310223130 is an abundant number, since it is smaller than the sum of its proper divisors (386271069798).

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

243310223130 is a wasteful number, since it uses less digits than its factorization.

243310223130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712271.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 243310223130 its reverse (31322013342), we get a palindrome (274632236472).

The spelling of 243310223130 in words is "two hundred forty-three billion, three hundred ten million, two hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 877 1754 2631 4385 5262 8770 11401 13155 22802 26310 34203 57005 68406 114010 171015 342030 711371 1422742 2134113 3556855 4268226 7113710 9247823 10670565 18495646 21341130 27743469 46239115 55486938 92478230 138717345 277434690 623872367 1247744734 1871617101 3119361835 3743234202 6238723670 8110340771 9358085505 16220681542 18716171010 24331022313 40551703855 48662044626 81103407710 121655111565 243310223130