Base | Representation |
---|---|
bin | 10100111001110100… |
… | …01000101010100010 |
3 | 1001222002222000022000 |
4 | 22130322020222202 |
5 | 140440414421010 |
6 | 5053331224430 |
7 | 545046666015 |
oct | 123472105242 |
9 | 31862860260 |
10 | 11222420130 |
11 | 4839844389 |
12 | 2212448116 |
13 | 109b0317ac |
14 | 78664b37c |
15 | 45a3767c0 |
hex | 29ce88aa2 |
11222420130 has 64 divisors (see below), whose sum is σ = 31227621120. Its totient is φ = 2862528768.
The previous prime is 11222420051. The next prime is 11222420173. The reversal of 11222420130 is 3102422211.
It is a happy number.
11222420130 is a `hidden beast` number, since 11 + 222 + 420 + 13 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 897367 + ... + 909786.
It is an arithmetic number, because the mean of its divisors is an integer number (487931580).
Almost surely, 211222420130 is an apocalyptic number.
11222420130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11222420130 is an abundant number, since it is smaller than the sum of its proper divisors (20005200990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11222420130 is a wasteful number, since it uses less digits than its factorization.
11222420130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1807192 (or 1807186 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 11222420130 its reverse (3102422211), we get a palindrome (14324842341).
The spelling of 11222420130 in words is "eleven billion, two hundred twenty-two million, four hundred twenty thousand, one hundred thirty".
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