Base | Representation |
---|---|
bin | 10100101100011010… |
… | …101110111111011010 |
3 | 2010100112221002122000 |
4 | 110230122232333122 |
5 | 331001312322302 |
6 | 14112512341430 |
7 | 1414430146101 |
oct | 245432567732 |
9 | 63315832560 |
10 | 22220042202 |
11 | 94726a8646 |
12 | 4381544876 |
13 | 2131605987 |
14 | 110b09d038 |
15 | 8a0ae631c |
hex | 52c6aefda |
22220042202 has 32 divisors (see below), whose sum is σ = 52282454400. Its totient is φ = 6970993344.
The previous prime is 22220042177. The next prime is 22220042249. The reversal of 22220042202 is 20224002222.
It is a happy number.
22220042202 is a `hidden beast` number, since 22 + 220 + 0 + 422 + 0 + 2 = 666.
It is a super-2 number, since 2×222200422022 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12101502 + ... + 12103337.
It is an arithmetic number, because the mean of its divisors is an integer number (1633826700).
Almost surely, 222220042202 is an apocalyptic number.
22220042202 is an abundant number, since it is smaller than the sum of its proper divisors (30062412198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22220042202 is a wasteful number, since it uses less digits than its factorization.
22220042202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24204867 (or 24204861 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 18.
Adding to 22220042202 its reverse (20224002222), we get a palindrome (42444044424).
The spelling of 22220042202 in words is "twenty-two billion, two hundred twenty million, forty-two thousand, two hundred two".
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