Base | Representation |
---|---|
bin | 10001110000001101101… |
… | …011001000010100110011 |
3 | 11022122000220110120210202 |
4 | 101300031223020110303 |
5 | 124442030012402123 |
6 | 2332243232345415 |
7 | 154066511636054 |
oct | 21601553102463 |
9 | 4278026416722 |
10 | 1220000122163 |
11 | 430443299979 |
12 | 17853b6a526b |
13 | 8b079006114 |
14 | 4309684272b |
15 | 21b0597ca28 |
hex | 11c0dac8533 |
1220000122163 has 2 divisors, whose sum is σ = 1220000122164. Its totient is φ = 1220000122162.
The previous prime is 1220000122111. The next prime is 1220000122171. The reversal of 1220000122163 is 3612210000221.
It is a strong prime.
It is an emirp because it is prime and its reverse (3612210000221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1220000122163 - 218 = 1219999860019 is a prime.
It is not a weakly prime, because it can be changed into another prime (1220000125163) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610000061081 + 610000061082.
It is an arithmetic number, because the mean of its divisors is an integer number (610000061082).
Almost surely, 21220000122163 is an apocalyptic number.
1220000122163 is a deficient number, since it is larger than the sum of its proper divisors (1).
1220000122163 is an equidigital number, since it uses as much as digits as its factorization.
1220000122163 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 1220000122163 its reverse (3612210000221), we get a palindrome (4832210122384).
The spelling of 1220000122163 in words is "one trillion, two hundred twenty billion, one hundred twenty-two thousand, one hundred sixty-three".
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