Base | Representation |
---|---|
bin | 111000011001101110… |
… | …0010001000010011001 |
3 | 102120122012122211101101 |
4 | 1300303130101002121 |
5 | 3441024231211441 |
6 | 131350455351401 |
7 | 11515343064424 |
oct | 1606334210231 |
9 | 376565584341 |
10 | 121122132121 |
11 | 47405316641 |
12 | 1b583682561 |
13 | b563816a83 |
14 | 5c103a69bb |
15 | 323d75e231 |
hex | 1c33711099 |
121122132121 has 8 divisors (see below), whose sum is σ = 127503656000. Its totient is φ = 114741275760.
The previous prime is 121122132107. The next prime is 121122132169. The reversal of 121122132121 is 121231221121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121122132121 - 27 = 121122131993 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121122132181) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229780 + ... + 543178.
It is an arithmetic number, because the mean of its divisors is an integer number (15937957000).
Almost surely, 2121122132121 is an apocalyptic number.
It is an amenable number.
121122132121 is a deficient number, since it is larger than the sum of its proper divisors (6381523879).
121122132121 is a wasteful number, since it uses less digits than its factorization.
121122132121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333759.
The product of its digits is 96, while the sum is 19.
Adding to 121122132121 its reverse (121231221121), we get a palindrome (242353353242).
The spelling of 121122132121 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred thirty-two thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •