Base | Representation |
---|---|
bin | 10110101110100111… |
… | …10010001001111010 |
3 | 1011111101122010001122 |
4 | 23113103302021322 |
5 | 144442232102302 |
6 | 5334451545242 |
7 | 611245114562 |
oct | 132723621172 |
9 | 34441563048 |
10 | 12202222202 |
11 | 51a1922165 |
12 | 24465bb222 |
13 | 11c6019431 |
14 | 83a81bda2 |
15 | 4b63b83a2 |
hex | 2d74f227a |
12202222202 has 8 divisors (see below), whose sum is σ = 18303899700. Its totient is φ = 6100922304.
The previous prime is 12202222163. The next prime is 12202222229. The reversal of 12202222202 is 20222220221.
It can be written as a sum of positive squares in 2 ways, for example, as 11477051161 + 725171041 = 107131^2 + 26929^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9074 + ... + 156482.
Almost surely, 212202222202 is an apocalyptic number.
12202222202 is a deficient number, since it is larger than the sum of its proper divisors (6101677498).
12202222202 is a wasteful number, since it uses less digits than its factorization.
12202222202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188800.
The product of its (nonzero) digits is 256, while the sum is 17.
Adding to 12202222202 its reverse (20222220221), we get a palindrome (32424442423).
The spelling of 12202222202 in words is "twelve billion, two hundred two million, two hundred twenty-two thousand, two hundred two".
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