Base | Representation |
---|---|
bin | 11011010101001010000000… |
… | …011110011010001111000001 |
3 | 120202121010002001002210021211 |
4 | 123111022000132122033001 |
5 | 111223333333202420111 |
6 | 1103351343330250121 |
7 | 34214146364532454 |
oct | 3325120036321701 |
9 | 522533061083254 |
10 | 120201110201281 |
11 | 3533300608802a |
12 | 11593944726941 |
13 | 520bbba75bb85 |
14 | 2197a9c78749b |
15 | dd6a902c8521 |
hex | 6d528079a3c1 |
120201110201281 has 2 divisors, whose sum is σ = 120201110201282. Its totient is φ = 120201110201280.
The previous prime is 120201110201177. The next prime is 120201110201287. The reversal of 120201110201281 is 182102011102021.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 116367675138225 + 3833435063056 = 10787385^2 + 1957916^2 .
It is an emirp because it is prime and its reverse (182102011102021) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120201110201281 is a prime.
It is a super-2 number, since 2×1202011102012812 (a number of 29 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (120201110201287) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100555100640 + 60100555100641.
It is an arithmetic number, because the mean of its divisors is an integer number (60100555100641).
Almost surely, 2120201110201281 is an apocalyptic number.
It is an amenable number.
120201110201281 is a deficient number, since it is larger than the sum of its proper divisors (1).
120201110201281 is an equidigital number, since it uses as much as digits as its factorization.
120201110201281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 128, while the sum is 22.
The spelling of 120201110201281 in words is "one hundred twenty trillion, two hundred one billion, one hundred ten million, two hundred one thousand, two hundred eighty-one".
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