Base | Representation |
---|---|
bin | 10100100011100100… |
… | …001101001111011101 |
3 | 2002222012110220211011 |
4 | 110203210031033131 |
5 | 330200302433321 |
6 | 14050045255221 |
7 | 1410644625211 |
oct | 244344151735 |
9 | 62865426734 |
10 | 22071530461 |
11 | 93a6892572 |
12 | 433b864511 |
13 | 21099082c6 |
14 | 10d5480941 |
15 | 892a5cae1 |
hex | 52390d3dd |
22071530461 has 2 divisors, whose sum is σ = 22071530462. Its totient is φ = 22071530460.
The previous prime is 22071530449. The next prime is 22071530477. The reversal of 22071530461 is 16403517022.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21700236100 + 371294361 = 147310^2 + 19269^2 .
It is a cyclic number.
It is not a de Polignac number, because 22071530461 - 219 = 22071006173 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22071530401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11035765230 + 11035765231.
It is an arithmetic number, because the mean of its divisors is an integer number (11035765231).
Almost surely, 222071530461 is an apocalyptic number.
It is an amenable number.
22071530461 is a deficient number, since it is larger than the sum of its proper divisors (1).
22071530461 is an equidigital number, since it uses as much as digits as its factorization.
22071530461 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10080, while the sum is 31.
The spelling of 22071530461 in words is "twenty-two billion, seventy-one million, five hundred thirty thousand, four hundred sixty-one".
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