Base | Representation |
---|---|
bin | 10100100000000001… |
… | …001001111000010001 |
3 | 2002211001110222002200 |
4 | 110200001021320101 |
5 | 330040033310001 |
6 | 14040121433413 |
7 | 1406322666162 |
oct | 244001117021 |
9 | 62731428080 |
10 | 22012010001 |
11 | 9376229a03 |
12 | 432393b869 |
13 | 20ca4986b7 |
14 | 10cb5c9769 |
15 | 88c702086 |
hex | 520049e11 |
22012010001 has 12 divisors (see below), whose sum is σ = 31921802640. Its totient is φ = 14616207000.
The previous prime is 22012009991. The next prime is 22012010011. The reversal of 22012010001 is 10001021022.
It is an interprime number because it is at equal distance from previous prime (22012009991) and next prime (22012010011).
It is not a de Polignac number, because 22012010001 - 215 = 22011977233 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (22012010011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4869811 + ... + 4874328.
It is an arithmetic number, because the mean of its divisors is an integer number (2660150220).
Almost surely, 222012010001 is an apocalyptic number.
It is an amenable number.
22012010001 is a deficient number, since it is larger than the sum of its proper divisors (9909792639).
22012010001 is a wasteful number, since it uses less digits than its factorization.
22012010001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9744396 (or 9744393 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 22012010001 its reverse (10001021022), we get a palindrome (32013031023).
The spelling of 22012010001 in words is "twenty-two billion, twelve million, ten thousand, one".
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