Base | Representation |
---|---|
bin | 10010101111011000… |
… | …001011111001111010 |
3 | 1220221100111210120222 |
4 | 102233120023321322 |
5 | 312202242102302 |
6 | 13124413020042 |
7 | 1311435031565 |
oct | 225730137172 |
9 | 56840453528 |
10 | 20122222202 |
11 | 8596519405 |
12 | 3a96a84622 |
13 | 1b88acc174 |
14 | d8c61d4dc |
15 | 7cb85eda2 |
hex | 4af60be7a |
20122222202 has 32 divisors (see below), whose sum is σ = 31355756544. Its totient is φ = 9674607600.
The previous prime is 20122222201. The next prime is 20122222207. The reversal of 20122222202 is 20222222102.
It is not an unprimeable number, because it can be changed into a prime (20122222201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13905443 + ... + 13906889.
It is an arithmetic number, because the mean of its divisors is an integer number (979867392).
Almost surely, 220122222202 is an apocalyptic number.
20122222202 is a deficient number, since it is larger than the sum of its proper divisors (11233534342).
20122222202 is a wasteful number, since it uses less digits than its factorization.
20122222202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2754.
The product of its (nonzero) digits is 256, while the sum is 17.
Adding to 20122222202 its reverse (20222222102), we get a palindrome (40344444304).
The spelling of 20122222202 in words is "twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred two".
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