Base | Representation |
---|---|
bin | 10001110000010011110… |
… | …000001001010100010001 |
3 | 11022122022000100121102121 |
4 | 101300103300021110101 |
5 | 124442232114201431 |
6 | 2332301314214241 |
7 | 154102160510203 |
oct | 21602360112421 |
9 | 4278260317377 |
10 | 1220102100241 |
11 | 430495911582 |
12 | 178569884381 |
13 | 8b09419008b |
14 | 430a61ca773 |
15 | 21b0e8c3611 |
hex | 11c13c09511 |
1220102100241 has 2 divisors, whose sum is σ = 1220102100242. Its totient is φ = 1220102100240.
The previous prime is 1220102100193. The next prime is 1220102100263. The reversal of 1220102100241 is 1420012010221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1178321105025 + 41780995216 = 1085505^2 + 204404^2 .
It is a cyclic number.
It is not a de Polignac number, because 1220102100241 - 225 = 1220068545809 is a prime.
It is not a weakly prime, because it can be changed into another prime (1220102100281) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610051050120 + 610051050121.
It is an arithmetic number, because the mean of its divisors is an integer number (610051050121).
Almost surely, 21220102100241 is an apocalyptic number.
It is an amenable number.
1220102100241 is a deficient number, since it is larger than the sum of its proper divisors (1).
1220102100241 is an equidigital number, since it uses as much as digits as its factorization.
1220102100241 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1220102100241 its reverse (1420012010221), we get a palindrome (2640114110462).
The spelling of 1220102100241 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred thousand, two hundred forty-one".
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