Base | Representation |
---|---|
bin | 111000011111010101… |
… | …0000111101101010101 |
3 | 102121010022202102102201 |
4 | 1300332222013231111 |
5 | 3441420420011201 |
6 | 131421301004501 |
7 | 11523116435542 |
oct | 1607652075525 |
9 | 377108672381 |
10 | 121310313301 |
11 | 474a1566981 |
12 | 1b6166b3731 |
13 | b5937c3698 |
14 | 5c2b38dbc9 |
15 | 3250031801 |
hex | 1c3ea87b55 |
121310313301 has 2 divisors, whose sum is σ = 121310313302. Its totient is φ = 121310313300.
The previous prime is 121310313287. The next prime is 121310313323. The reversal of 121310313301 is 103313013121.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 108026598276 + 13283715025 = 328674^2 + 115255^2 .
It is a cyclic number.
It is not a de Polignac number, because 121310313301 - 29 = 121310312789 is a prime.
It is a super-2 number, since 2×1213103133012 (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 (121310313101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60655156650 + 60655156651.
It is an arithmetic number, because the mean of its divisors is an integer number (60655156651).
Almost surely, 2121310313301 is an apocalyptic number.
It is an amenable number.
121310313301 is a deficient number, since it is larger than the sum of its proper divisors (1).
121310313301 is an equidigital number, since it uses as much as digits as its factorization.
121310313301 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 121310313301 its reverse (103313013121), we get a palindrome (224623326422).
The spelling of 121310313301 in words is "one hundred twenty-one billion, three hundred ten million, three hundred thirteen thousand, three hundred one".
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