Base | Representation |
---|---|
bin | 111000010110011100… |
… | …1010101000100011101 |
3 | 102120100120000022011120 |
4 | 1300230321111010131 |
5 | 3440313122412201 |
6 | 131331533441153 |
7 | 11512540444251 |
oct | 1605471250435 |
9 | 376316008146 |
10 | 121012310301 |
11 | 47359326903 |
12 | 1b5529401b9 |
13 | b546b4484c |
14 | 5bdd97a261 |
15 | 3233cb9536 |
hex | 1c2ce5511d |
121012310301 has 4 divisors (see below), whose sum is σ = 161349747072. Its totient is φ = 80674873532.
The previous prime is 121012310273. The next prime is 121012310311. The reversal of 121012310301 is 103013210121.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 103013210121 = 3 ⋅34337736707.
It is a cyclic number.
It is not a de Polignac number, because 121012310301 - 210 = 121012309277 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121012310311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20168718381 + ... + 20168718386.
It is an arithmetic number, because the mean of its divisors is an integer number (40337436768).
Almost surely, 2121012310301 is an apocalyptic number.
It is an amenable number.
121012310301 is a deficient number, since it is larger than the sum of its proper divisors (40337436771).
121012310301 is an equidigital number, since it uses as much as digits as its factorization.
121012310301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40337436770.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 121012310301 its reverse (103013210121), we get a palindrome (224025520422).
The spelling of 121012310301 in words is "one hundred twenty-one billion, twelve million, three hundred ten thousand, three hundred one".
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