Base | Representation |
---|---|
bin | 10100101011110110… |
… | …000010010111000101 |
3 | 2010022212211100111010 |
4 | 110223312002113011 |
5 | 330441332002323 |
6 | 14111530232433 |
7 | 1414252321350 |
oct | 245366022705 |
9 | 63285740433 |
10 | 22210422213 |
11 | 9468227a41 |
12 | 437a285719 |
13 | 212c618085 |
14 | 1109ab7297 |
15 | 89ed45c93 |
hex | 52bd825c5 |
22210422213 has 32 divisors (see below), whose sum is σ = 35843106816. Its totient is φ = 11958648768.
The previous prime is 22210422211. The next prime is 22210422301. The reversal of 22210422213 is 31222401222.
It is not a de Polignac number, because 22210422213 - 21 = 22210422211 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 22210422213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22210422211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310806 + ... + 375527.
It is an arithmetic number, because the mean of its divisors is an integer number (1120097088).
Almost surely, 222210422213 is an apocalyptic number.
22210422213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
22210422213 is a deficient number, since it is larger than the sum of its proper divisors (13632684603).
22210422213 is a wasteful number, since it uses less digits than its factorization.
22210422213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 686433.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 22210422213 its reverse (31222401222), we get a palindrome (53432823435).
The spelling of 22210422213 in words is "twenty-two billion, two hundred ten million, four hundred twenty-two thousand, two hundred thirteen".
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