Base | Representation |
---|---|
bin | 10100101100011101… |
… | …011010000111010010 |
3 | 2010100121020201010000 |
4 | 110230131122013102 |
5 | 331002002234442 |
6 | 14112535350430 |
7 | 1414436125434 |
oct | 245435320722 |
9 | 63317221100 |
10 | 22220743122 |
11 | 9473037216 |
12 | 4381822416 |
13 | 21317bca16 |
14 | 110b202654 |
15 | 8a0bd3d4c |
hex | 52c75a1d2 |
22220743122 has 40 divisors (see below), whose sum is σ = 50304268476. Its totient is φ = 7330549248.
The previous prime is 22220743121. The next prime is 22220743133. The reversal of 22220743122 is 22134702222.
22220743122 is a `hidden beast` number, since 2 + 2 + 2 + 207 + 431 + 22 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 21676967361 + 543775761 = 147231^2 + 23319^2 .
It is a super-2 number, since 2×222207431222 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (22220743121) 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 19 ways as a sum of consecutive naturals, for example, 691323 + ... + 722750.
Almost surely, 222220743122 is an apocalyptic number.
22220743122 is an abundant number, since it is smaller than the sum of its proper divisors (28083525354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22220743122 is a wasteful number, since it uses less digits than its factorization.
22220743122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1414184 (or 1414175 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 27.
The spelling of 22220743122 in words is "twenty-two billion, two hundred twenty million, seven hundred forty-three thousand, one hundred twenty-two".
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