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11003022220 = 225550151111
BaseRepresentation
bin10100011111101010…
…01100101110001100
31001101211010102221111
422033311030232030
5140013233202340
65015452541404
7536444100661
oct121765145614
931354112844
1011003022220
114736a124a3
122170a81864
131064745148
14765459a68
15445e89aea
hex28fd4cb8c

11003022220 has 12 divisors (see below), whose sum is σ = 23106346704. Its totient is φ = 4401208880.

The previous prime is 11003022209. The next prime is 11003022221. The reversal of 11003022220 is 2222030011.

It is a self number, because there is not a number n which added to its sum of digits gives 11003022220.

It is not an unprimeable number, because it can be changed into a prime (11003022221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275075536 + ... + 275075575.

It is an arithmetic number, because the mean of its divisors is an integer number (1925528892).

Almost surely, 211003022220 is an apocalyptic number.

11003022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11003022220 is an abundant number, since it is smaller than the sum of its proper divisors (12103324484).

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

11003022220 is a wasteful number, since it uses less digits than its factorization.

11003022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550151120 (or 550151118 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 11003022220 its reverse (2222030011), we get a palindrome (13225052231).

The spelling of 11003022220 in words is "eleven billion, three million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 550151111 1100302222 2200604444 2750755555 5501511110 11003022220