Base | Representation |
---|---|
bin | 111000010110110001… |
… | …0111111010100100111 |
3 | 102120101022120010220221 |
4 | 1300231202333110213 |
5 | 3440323421400041 |
6 | 131333003505211 |
7 | 11513032330645 |
oct | 1605542772447 |
9 | 376338503827 |
10 | 121023231271 |
11 | 473645059a8 |
12 | 1b556528207 |
13 | b549199667 |
14 | 5c011c0195 |
15 | 3234c252d1 |
hex | 1c2d8bf527 |
121023231271 has 2 divisors, whose sum is σ = 121023231272. Its totient is φ = 121023231270.
The previous prime is 121023231257. The next prime is 121023231347. The reversal of 121023231271 is 172132320121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 121023231271 - 25 = 121023231239 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121023231211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511615635 + 60511615636.
It is an arithmetic number, because the mean of its divisors is an integer number (60511615636).
Almost surely, 2121023231271 is an apocalyptic number.
121023231271 is a deficient number, since it is larger than the sum of its proper divisors (1).
121023231271 is an equidigital number, since it uses as much as digits as its factorization.
121023231271 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1008, while the sum is 25.
Adding to 121023231271 its reverse (172132320121), we get a palindrome (293155551392).
The spelling of 121023231271 in words is "one hundred twenty-one billion, twenty-three million, two hundred thirty-one thousand, two hundred seventy-one".
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