Base | Representation |
---|---|
bin | 111111010001001… |
… | …1010011000101011 |
3 | 12110221201001011201 |
4 | 1332202122120223 |
5 | 13321433401222 |
6 | 550354105031 |
7 | 103415531101 |
oct | 17642323053 |
9 | 5427631151 |
10 | 2122950187 |
11 | 99a393996 |
12 | 4b2b7b177 |
13 | 27aa95057 |
14 | 161d41c71 |
15 | c659c427 |
hex | 7e89a62b |
2122950187 has 2 divisors, whose sum is σ = 2122950188. Its totient is φ = 2122950186.
The previous prime is 2122950169. The next prime is 2122950217. The reversal of 2122950187 is 7810592212.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2122950187 - 27 = 2122950059 is a prime.
It is not a weakly prime, because it can be changed into another prime (2122950107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061475093 + 1061475094.
It is an arithmetic number, because the mean of its divisors is an integer number (1061475094).
Almost surely, 22122950187 is an apocalyptic number.
2122950187 is a deficient number, since it is larger than the sum of its proper divisors (1).
2122950187 is an equidigital number, since it uses as much as digits as its factorization.
2122950187 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20160, while the sum is 37.
The square root of 2122950187 is about 46075.4835785801. The cubic root of 2122950187 is about 1285.2272783048.
The spelling of 2122950187 in words is "two billion, one hundred twenty-two million, nine hundred fifty thousand, one hundred eighty-seven".
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