Base | Representation |
---|---|
bin | 10011001101110111100… |
… | …00011001010010111001 |
3 | 2100010022001100110111002 |
4 | 21212323300121102321 |
5 | 41304223141202301 |
6 | 1223154540214345 |
7 | 65463232404662 |
oct | 11467360312271 |
9 | 2303261313432 |
10 | 660280022201 |
11 | 23502894a468 |
12 | a7b7253a3b5 |
13 | 4a35840c1b7 |
14 | 23d59dca369 |
15 | 12296e8516b |
hex | 99bbc194b9 |
660280022201 has 2 divisors, whose sum is σ = 660280022202. Its totient is φ = 660280022200.
The previous prime is 660280022159. The next prime is 660280022249. The reversal of 660280022201 is 102220082066.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 384618270976 + 275661751225 = 620176^2 + 525035^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-660280022201 is a prime.
It is not a weakly prime, because it can be changed into another prime (660280012201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330140011100 + 330140011101.
It is an arithmetic number, because the mean of its divisors is an integer number (330140011101).
Almost surely, 2660280022201 is an apocalyptic number.
It is an amenable number.
660280022201 is a deficient number, since it is larger than the sum of its proper divisors (1).
660280022201 is an equidigital number, since it uses as much as digits as its factorization.
660280022201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4608, while the sum is 29.
The spelling of 660280022201 in words is "six hundred sixty billion, two hundred eighty million, twenty-two thousand, two hundred one".
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