Base | Representation |
---|---|
bin | 101111100011011010… |
… | …1010100000001001001 |
3 | 100202120221000012102211 |
4 | 1133012311110001021 |
5 | 3133120222042301 |
6 | 114525140225121 |
7 | 10243426426432 |
oct | 1370665240111 |
9 | 322527005384 |
10 | 102120112201 |
11 | 3a344160848 |
12 | 1795b99b1a1 |
13 | 9825b1cac3 |
14 | 4d2a864489 |
15 | 29ca426051 |
hex | 17c6d54049 |
102120112201 has 2 divisors, whose sum is σ = 102120112202. Its totient is φ = 102120112200.
The previous prime is 102120112189. The next prime is 102120112219. The reversal of 102120112201 is 102211021201.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 79537536576 + 22582575625 = 282024^2 + 150275^2 .
It is an emirp because it is prime and its reverse (102211021201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 102120112201 - 211 = 102120110153 is a prime.
It is not a weakly prime, because it can be changed into another prime (102120110201) 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, 51060056100 + 51060056101.
It is an arithmetic number, because the mean of its divisors is an integer number (51060056101).
Almost surely, 2102120112201 is an apocalyptic number.
It is an amenable number.
102120112201 is a deficient number, since it is larger than the sum of its proper divisors (1).
102120112201 is an equidigital number, since it uses as much as digits as its factorization.
102120112201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 102120112201 its reverse (102211021201), we get a palindrome (204331133402).
The spelling of 102120112201 in words is "one hundred two billion, one hundred twenty million, one hundred twelve thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •