Base | Representation |
---|---|
bin | 111000011001000100… |
… | …0101101110111100001 |
3 | 102120120200110002110220 |
4 | 1300302020231313201 |
5 | 3441003124330423 |
6 | 131344354113253 |
7 | 11514655654242 |
oct | 1606210556741 |
9 | 376520402426 |
10 | 121100230113 |
11 | 473a3a17305 |
12 | 1b57827b829 |
13 | b55c1189c5 |
14 | 5c0b504cc9 |
15 | 323b8849e3 |
hex | 1c3222dde1 |
121100230113 has 16 divisors (see below), whose sum is σ = 163317651456. Its totient is φ = 79812673920.
The previous prime is 121100230091. The next prime is 121100230123. The reversal of 121100230113 is 311032001121.
It is a happy number.
It is not a de Polignac number, because 121100230113 - 218 = 121099967969 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 121100230092 and 121100230101.
It is not an unprimeable number, because it can be changed into a prime (121100230123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458506 + ... + 672627.
It is an arithmetic number, because the mean of its divisors is an integer number (10207353216).
Almost surely, 2121100230113 is an apocalyptic number.
It is an amenable number.
121100230113 is a deficient number, since it is larger than the sum of its proper divisors (42217421343).
121100230113 is a wasteful number, since it uses less digits than its factorization.
121100230113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1131544.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 121100230113 its reverse (311032001121), we get a palindrome (432132231234).
The spelling of 121100230113 in words is "one hundred twenty-one billion, one hundred million, two hundred thirty thousand, one hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •