Base | Representation |
---|---|
bin | 1000010001011000010… |
… | …0100101011000010001 |
3 | 111120210111011101120202 |
4 | 2010112010211120101 |
5 | 4312012140034301 |
6 | 145140510344545 |
7 | 13160321643665 |
oct | 2042604453021 |
9 | 446714141522 |
10 | 142104221201 |
11 | 552a2145728 |
12 | 2365a4bb155 |
13 | 105287ca2b7 |
14 | 6c40c968a5 |
15 | 3a6a81e66b |
hex | 2116125611 |
142104221201 has 2 divisors, whose sum is σ = 142104221202. Its totient is φ = 142104221200.
The previous prime is 142104221179. The next prime is 142104221209. The reversal of 142104221201 is 102122401241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 141243678976 + 860542225 = 375824^2 + 29335^2 .
It is a cyclic number.
It is not a de Polignac number, because 142104221201 - 26 = 142104221137 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (142104221209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71052110600 + 71052110601.
It is an arithmetic number, because the mean of its divisors is an integer number (71052110601).
Almost surely, 2142104221201 is an apocalyptic number.
It is an amenable number.
142104221201 is a deficient number, since it is larger than the sum of its proper divisors (1).
142104221201 is an equidigital number, since it uses as much as digits as its factorization.
142104221201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 142104221201 its reverse (102122401241), we get a palindrome (244226622442).
The spelling of 142104221201 in words is "one hundred forty-two billion, one hundred four million, two hundred twenty-one thousand, two hundred one".
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