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11112030220 = 225643864077
BaseRepresentation
bin10100101100101010…
…00010000000001100
31001200102020121210211
422112111002000030
5140224134431340
65034345212204
7542236461364
oct122625020014
931612217724
1011112030220
1147924a6855
1221a1491064
1310811c0b15
14775b139a4
1545081d5ea
hex29654200c

11112030220 has 24 divisors (see below), whose sum is σ = 23371581744. Its totient is φ = 4437894336.

The previous prime is 11112030211. The next prime is 11112030221. The reversal of 11112030220 is 2203021111.

It is a super-2 number, since 2×111120302202 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11112030220.

It is not an unprimeable number, because it can be changed into a prime (11112030221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419179 + ... + 444898.

It is an arithmetic number, because the mean of its divisors is an integer number (973815906).

Almost surely, 211112030220 is an apocalyptic number.

11112030220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112030220 is an abundant number, since it is smaller than the sum of its proper divisors (12259551524).

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

11112030220 is a wasteful number, since it uses less digits than its factorization.

11112030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864729 (or 864727 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11112030220 its reverse (2203021111), we get a palindrome (13315051331).

The spelling of 11112030220 in words is "eleven billion, one hundred twelve million, thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 643 1286 2572 3215 6430 12860 864077 1728154 3456308 4320385 8640770 17281540 555601511 1111203022 2222406044 2778007555 5556015110 11112030220