Base | Representation |
---|---|
bin | 111000011111000111… |
… | …0101011110110010101 |
3 | 102121002211020000212100 |
4 | 1300332032223312111 |
5 | 3441412044340201 |
6 | 131420442512313 |
7 | 11523001342605 |
oct | 1607616536625 |
9 | 377084200770 |
10 | 121303121301 |
11 | 474984a447a |
12 | 1b614205699 |
13 | b592175c6b |
14 | 5c2a43ac05 |
15 | 324e5b0886 |
hex | 1c3e3abd95 |
121303121301 has 6 divisors (see below), whose sum is σ = 175215619670. Its totient is φ = 80868747528.
The previous prime is 121303121293. The next prime is 121303121309. The reversal of 121303121301 is 103121303121.
121303121301 is a `hidden beast` number, since 1 + 21 + 30 + 312 + 1 + 301 = 666.
It is an interprime number because it is at equal distance from previous prime (121303121293) and next prime (121303121309).
It can be written as a sum of positive squares in only one way, i.e., 102983228100 + 18319893201 = 320910^2 + 135351^2 .
It is not a de Polignac number, because 121303121301 - 23 = 121303121293 is a prime.
It is a super-3 number, since 3×1213031213013 (a number of 34 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121303121309) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6739062286 + ... + 6739062303.
Almost surely, 2121303121301 is an apocalyptic number.
It is an amenable number.
121303121301 is a deficient number, since it is larger than the sum of its proper divisors (53912498369).
121303121301 is a wasteful number, since it uses less digits than its factorization.
121303121301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13478124595 (or 13478124592 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 121303121301 its reverse (103121303121), we get a palindrome (224424424422).
The spelling of 121303121301 in words is "one hundred twenty-one billion, three hundred three million, one hundred twenty-one thousand, three hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •