Base | Representation |
---|---|
bin | 110111111110110101… |
… | …1101011010011110111 |
3 | 102111022100112001011122 |
4 | 1233331223223103313 |
5 | 3432202332432411 |
6 | 131121200054155 |
7 | 11454111600263 |
oct | 1577553532367 |
9 | 374270461148 |
10 | 120220202231 |
11 | 46a92196338 |
12 | 1b37160435b |
13 | b44b9c5b4c |
14 | 5b666a70a3 |
15 | 31d94a09db |
hex | 1bfdaeb4f7 |
120220202231 has 2 divisors, whose sum is σ = 120220202232. Its totient is φ = 120220202230.
The previous prime is 120220202111. The next prime is 120220202233. The reversal of 120220202231 is 132202022021.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 120220202231 - 210 = 120220201207 is a prime.
It is a super-2 number, since 2×1202202022312 (a number of 23 digits) contains 22 as substring.
Together with 120220202233, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120220202233) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110101115 + 60110101116.
It is an arithmetic number, because the mean of its divisors is an integer number (60110101116).
Almost surely, 2120220202231 is an apocalyptic number.
120220202231 is a deficient number, since it is larger than the sum of its proper divisors (1).
120220202231 is an equidigital number, since it uses as much as digits as its factorization.
120220202231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 120220202231 its reverse (132202022021), we get a palindrome (252422224252).
The spelling of 120220202231 in words is "one hundred twenty billion, two hundred twenty million, two hundred two thousand, two hundred thirty-one".
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