Search a number
-
+
123012320130310 = 25135335115085089
BaseRepresentation
bin11011111110000100001001…
…101001001111010100000110
3121010112212022002112202222011
4123332010021221033110012
5112110413212423132220
61113343025115324434
734624226652625432
oct3376041151172406
9533485262482864
10123012320130310
1136217260875166
121196874115071a
1353840205199c0
142253b842b79c2
15e34c757a365a
hex6fe109a4f506

123012320130310 has 64 divisors (see below), whose sum is σ = 243023041376640. Its totient is φ = 44550252564480.

The previous prime is 123012320130223. The next prime is 123012320130313. The reversal of 123012320130310 is 13031023210321.

It is a super-2 number, since 2×1230123201303102 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012320130313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21648246 + ... + 26733334.

It is an arithmetic number, because the mean of its divisors is an integer number (3797235021510).

Almost surely, 2123012320130310 is an apocalyptic number.

123012320130310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123012320130310 is a deficient number, since it is larger than the sum of its proper divisors (120010721246330).

123012320130310 is a wasteful number, since it uses less digits than its factorization.

123012320130310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5088673.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123012320130310 its reverse (13031023210321), we get a palindrome (136043343340631).

The spelling of 123012320130310 in words is "one hundred twenty-three trillion, twelve billion, three hundred twenty million, one hundred thirty thousand, three hundred ten".

Divisors: 1 2 5 10 13 26 53 65 106 130 265 530 689 1378 3445 3511 6890 7022 17555 35110 45643 91286 186083 228215 372166 456430 930415 1860830 2419079 4838158 5085089 10170178 12095395 24190790 25425445 50850890 66106157 132212314 269509717 330530785 539019434 661061570 1347548585 2695097170 3503626321 7007252642 17518131605 17853747479 35036263210 35707494958 89268737395 178537474790 232098717227 464197434454 946248616387 1160493586135 1892497232774 2320987172270 4731243081935 9462486163870 12301232013031 24602464026062 61506160065155 123012320130310