Base | Representation |
---|---|
bin | 100000000001110111000… |
… | …101010010000011001011 |
3 | 21210102012221120020222122 |
4 | 200001313011102003023 |
5 | 242030142402111112 |
6 | 4403045105241455 |
7 | 315006232623206 |
oct | 40016705220313 |
9 | 7712187506878 |
10 | 2201021128907 |
11 | 7794a2057277 |
12 | 2b66a563328b |
13 | 12c72b2aa923 |
14 | 7875c41c93d |
15 | 3c3c0e08872 |
hex | 200771520cb |
2201021128907 has 2 divisors, whose sum is σ = 2201021128908. Its totient is φ = 2201021128906.
The previous prime is 2201021128849. The next prime is 2201021128919. The reversal of 2201021128907 is 7098211201022.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2201021128907 - 26 = 2201021128843 is a prime.
It is a super-2 number, since 2×22010211289072 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2201021128927) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100510564453 + 1100510564454.
It is an arithmetic number, because the mean of its divisors is an integer number (1100510564454).
Almost surely, 22201021128907 is an apocalyptic number.
2201021128907 is a deficient number, since it is larger than the sum of its proper divisors (1).
2201021128907 is an equidigital number, since it uses as much as digits as its factorization.
2201021128907 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8064, while the sum is 35.
Adding to 2201021128907 its reverse (7098211201022), we get a palindrome (9299232329929).
The spelling of 2201021128907 in words is "two trillion, two hundred one billion, twenty-one million, one hundred twenty-eight thousand, nine hundred seven".
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