Base | Representation |
---|---|
bin | 111000101010111111… |
… | …1100000000000000001 |
3 | 102122010121101200201012 |
4 | 1301111333200000001 |
5 | 3443221124400133 |
6 | 131524203450305 |
7 | 11535612115226 |
oct | 1612577400001 |
9 | 378117350635 |
10 | 121701793793 |
11 | 47682542a78 |
12 | 1b705826995 |
13 | b626941248 |
14 | 5c6737794d |
15 | 32745b0b48 |
hex | 1c55fe0001 |
121701793793 has 2 divisors, whose sum is σ = 121701793794. Its totient is φ = 121701793792.
The previous prime is 121701793771. The next prime is 121701793831. The reversal of 121701793793 is 397397107121.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 73358097409 + 48343696384 = 270847^2 + 219872^2 .
It is a cyclic number.
It is not a de Polignac number, because 121701793793 - 26 = 121701793729 is a prime.
It is a super-2 number, since 2×1217017937932 (a number of 23 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (121701793093) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60850896896 + 60850896897.
It is an arithmetic number, because the mean of its divisors is an integer number (60850896897).
Almost surely, 2121701793793 is an apocalyptic number.
It is an amenable number.
121701793793 is a deficient number, since it is larger than the sum of its proper divisors (1).
121701793793 is an equidigital number, since it uses as much as digits as its factorization.
121701793793 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 500094, while the sum is 50.
The spelling of 121701793793 in words is "one hundred twenty-one billion, seven hundred one million, seven hundred ninety-three thousand, seven hundred ninety-three".
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