Search a number
-
+
1203110210220 = 223520051836837
BaseRepresentation
bin10001100000011110111…
…101001110101010101100
311021000102211010011022120
4101200132331032222230
5124202432203211340
62320411243112540
7152631123024222
oct21403675165254
94230384104276
101203110210220
11424266392066
12175207212750
13895b6a79199
144233361cb12
1521467c9e4d0
hex1181ef4eaac

1203110210220 has 24 divisors (see below), whose sum is σ = 3368708588784. Its totient is φ = 320829389376.

The previous prime is 1203110210177. The next prime is 1203110210257. The reversal of 1203110210220 is 220120113021.

It is a super-2 number, since 2×12031102102202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1203110210220.

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, 10025918359 + ... + 10025918478.

It is an arithmetic number, because the mean of its divisors is an integer number (140362857866).

Almost surely, 21203110210220 is an apocalyptic number.

1203110210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203110210220 is an abundant number, since it is smaller than the sum of its proper divisors (2165598378564).

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

1203110210220 is a wasteful number, since it uses less digits than its factorization.

1203110210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20051836849 (or 20051836847 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1203110210220 its reverse (220120113021), we get a palindrome (1423230323241).

The spelling of 1203110210220 in words is "one trillion, two hundred three billion, one hundred ten million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 20051836837 40103673674 60155510511 80207347348 100259184185 120311021022 200518368370 240622042044 300777552555 401036736740 601555105110 1203110210220