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11210002220 = 2255091101179
BaseRepresentation
bin10100111000010101…
…10000111100101100
31001221020121010010102
422130022300330230
5140424230032340
65052205130232
7544536306134
oct123412607454
931836533112
1011210002220
11483283264a
12220a259978
1310985a4511
14784b37ac4
15459222215
hex29c2b0f2c

11210002220 has 24 divisors (see below), whose sum is σ = 23587275600. Its totient is φ = 4475187392.

The previous prime is 11210002207. The next prime is 11210002259. The reversal of 11210002220 is 2220001211.

It is a happy number.

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, 540410 + ... + 560769.

It is an arithmetic number, because the mean of its divisors is an integer number (982803150).

Almost surely, 211210002220 is an apocalyptic number.

11210002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210002220 is an abundant number, since it is smaller than the sum of its proper divisors (12377273380).

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

11210002220 is a wasteful number, since it uses less digits than its factorization.

11210002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101697 (or 1101695 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11210002220 its reverse (2220001211), we get a palindrome (13430003431).

The spelling of 11210002220 in words is "eleven billion, two hundred ten million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 509 1018 2036 2545 5090 10180 1101179 2202358 4404716 5505895 11011790 22023580 560500111 1121000222 2242000444 2802500555 5605001110 11210002220