Base | Representation |
---|---|
bin | 110111111110110101… |
… | …1010010101001100001 |
3 | 102111022100022220121101 |
4 | 1233331223102221201 |
5 | 3432202321214332 |
6 | 131121153554401 |
7 | 11454110666626 |
oct | 1577553225141 |
9 | 374270286541 |
10 | 120220101217 |
11 | 46a92127457 |
12 | 1b371575a01 |
13 | b44b98bb88 |
14 | 5b6667c34d |
15 | 31d9480ae7 |
hex | 1bfdad2a61 |
120220101217 has 2 divisors, whose sum is σ = 120220101218. Its totient is φ = 120220101216.
The previous prime is 120220101167. The next prime is 120220101259. The reversal of 120220101217 is 712101022021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 90321887296 + 29898213921 = 300536^2 + 172911^2 .
It is a cyclic number.
It is not a de Polignac number, because 120220101217 - 231 = 118072617569 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 120220101194 and 120220101203.
It is not a weakly prime, because it can be changed into another prime (120220101017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110050608 + 60110050609.
It is an arithmetic number, because the mean of its divisors is an integer number (60110050609).
Almost surely, 2120220101217 is an apocalyptic number.
It is an amenable number.
120220101217 is a deficient number, since it is larger than the sum of its proper divisors (1).
120220101217 is an equidigital number, since it uses as much as digits as its factorization.
120220101217 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 112, while the sum is 19.
Adding to 120220101217 its reverse (712101022021), we get a palindrome (832321123238).
The spelling of 120220101217 in words is "one hundred twenty billion, two hundred twenty million, one hundred one thousand, two hundred seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •