Base | Representation |
---|---|
bin | 11110100100111010100… |
… | …110101101010001101101 |
3 | 21102212121210100001221222 |
4 | 132210322212231101231 |
5 | 233411300342430242 |
6 | 4245142124433125 |
7 | 304544150201453 |
oct | 36447246552155 |
9 | 7385553301858 |
10 | 2101222233197 |
11 | 74013a19886a |
12 | 29b2930a87a5 |
13 | 1231b5351009 |
14 | 739b1d8a9d3 |
15 | 399ce6955d2 |
hex | 1e93a9ad46d |
2101222233197 has 2 divisors, whose sum is σ = 2101222233198. Its totient is φ = 2101222233196.
The previous prime is 2101222233181. The next prime is 2101222233221. The reversal of 2101222233197 is 7913322221012.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1063973683081 + 1037248550116 = 1031491^2 + 1018454^2 .
It is a cyclic number.
It is not a de Polignac number, because 2101222233197 - 24 = 2101222233181 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2101222233167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050611116598 + 1050611116599.
It is an arithmetic number, because the mean of its divisors is an integer number (1050611116599).
Almost surely, 22101222233197 is an apocalyptic number.
It is an amenable number.
2101222233197 is a deficient number, since it is larger than the sum of its proper divisors (1).
2101222233197 is an equidigital number, since it uses as much as digits as its factorization.
2101222233197 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18144, while the sum is 35.
The spelling of 2101222233197 in words is "two trillion, one hundred one billion, two hundred twenty-two million, two hundred thirty-three thousand, one hundred ninety-seven".
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