Search a number
-
+
12300031230220 = 22547511061312197
BaseRepresentation
bin1011001011111101001011…
…1111100000000100001100
31121112212112022202210100101
42302333102333200010030
53103010430443331340
642054320100340444
72406435145256146
oct262772277400414
947485468683311
1012300031230220
113a12460a718a8
1214679b36a4724
136b2b70b343c6
14307478d2dc96
15164e431ecc9a
hexb2fd2fe010c

12300031230220 has 48 divisors (see below), whose sum is σ = 25840055058048. Its totient is φ = 4918110176000.

The previous prime is 12300031230211. The next prime is 12300031230239. The reversal of 12300031230220 is 2203213000321.

12300031230220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008441162 + ... + 1008453358.

It is an arithmetic number, because the mean of its divisors is an integer number (538334480376).

Almost surely, 212300031230220 is an apocalyptic number.

12300031230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12300031230220 is an abundant number, since it is smaller than the sum of its proper divisors (13540023827828).

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

12300031230220 is a wasteful number, since it uses less digits than its factorization.

12300031230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27570 (or 27568 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12300031230220 its reverse (2203213000321), we get a palindrome (14503244230541).

The spelling of 12300031230220 in words is "twelve trillion, three hundred billion, thirty-one million, two hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 4751 9502 10613 12197 19004 21226 23755 24394 42452 47510 48788 53065 60985 95020 106130 121970 212260 243940 50422363 57947947 100844726 115895894 129446761 201689452 231791788 252111815 258893522 289739735 504223630 517787044 579479470 647233805 1008447260 1158958940 1294467610 2588935220 615001561511 1230003123022 2460006246044 3075007807555 6150015615110 12300031230220