Base | Representation |
---|---|
bin | 111000011110001000… |
… | …1110101110110011101 |
3 | 102121000112122022211001 |
4 | 1300330101311312131 |
5 | 3441330210104034 |
6 | 131413313230301 |
7 | 11522123225533 |
oct | 1607421656635 |
9 | 377015568731 |
10 | 121270394269 |
11 | 47480a81142 |
12 | 1b605262391 |
13 | b58845795b |
14 | 5c25d5c153 |
15 | 324b798a14 |
hex | 1c3c475d9d |
121270394269 has 2 divisors, whose sum is σ = 121270394270. Its totient is φ = 121270394268.
The previous prime is 121270394233. The next prime is 121270394279. The reversal of 121270394269 is 962493072121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 116989309369 + 4281084900 = 342037^2 + 65430^2 .
It is a cyclic number.
It is not a de Polignac number, because 121270394269 - 213 = 121270386077 is a prime.
It is a super-2 number, since 2×1212703942692 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121270394209) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60635197134 + 60635197135.
It is an arithmetic number, because the mean of its divisors is an integer number (60635197135).
Almost surely, 2121270394269 is an apocalyptic number.
It is an amenable number.
121270394269 is a deficient number, since it is larger than the sum of its proper divisors (1).
121270394269 is an equidigital number, since it uses as much as digits as its factorization.
121270394269 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 326592, while the sum is 46.
The spelling of 121270394269 in words is "one hundred twenty-one billion, two hundred seventy million, three hundred ninety-four thousand, two hundred sixty-nine".
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