Base | Representation |
---|---|
bin | 10010101110001011… |
… | …110100001101011010 |
3 | 1220212221211200022111 |
4 | 102232023310031122 |
5 | 312132130432302 |
6 | 13122415542534 |
7 | 1311102620335 |
oct | 225613641532 |
9 | 56787750274 |
10 | 20102202202 |
11 | 8586195055 |
12 | 3a9022aa4a |
13 | 1b8490c904 |
14 | d89acb61c |
15 | 7c9c080d7 |
hex | 4ae2f435a |
20102202202 has 16 divisors (see below), whose sum is σ = 30822355872. Its totient is φ = 9829319760.
The previous prime is 20102202173. The next prime is 20102202203. The reversal of 20102202202 is 20220220102.
It is not an unprimeable number, because it can be changed into a prime (20102202203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276324 + ... + 341407.
It is an arithmetic number, because the mean of its divisors is an integer number (1926397242).
Almost surely, 220102202202 is an apocalyptic number.
20102202202 is a deficient number, since it is larger than the sum of its proper divisors (10720153670).
20102202202 is a wasteful number, since it uses less digits than its factorization.
20102202202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 618093.
The product of its (nonzero) digits is 64, while the sum is 13.
Adding to 20102202202 its reverse (20220220102), we get a palindrome (40322422304).
It can be divided in two parts, 20102 and 202202, that multiplied together give a palindrome (4064664604).
The spelling of 20102202202 in words is "twenty billion, one hundred two million, two hundred two thousand, two hundred two".
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