Base | Representation |
---|---|
bin | 111000011111111110… |
… | …1100111011011111101 |
3 | 102121011211221110000010 |
4 | 1300333331213123331 |
5 | 3441442020414323 |
6 | 131423402053433 |
7 | 11523503456646 |
oct | 1607775473375 |
9 | 377154843003 |
10 | 121332201213 |
11 | 47502956663 |
12 | 1b621aaa279 |
13 | b5981b8202 |
14 | 5c3024a6cd |
15 | 3251e06c93 |
hex | 1c3ff676fd |
121332201213 has 32 divisors (see below), whose sum is σ = 171518256000. Its totient is φ = 76080439296.
The previous prime is 121332201187. The next prime is 121332201247. The reversal of 121332201213 is 312102233121.
It is not a de Polignac number, because 121332201213 - 29 = 121332200701 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 121332201213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121332201283) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4621981 + ... + 4648157.
It is an arithmetic number, because the mean of its divisors is an integer number (5359945500).
Almost surely, 2121332201213 is an apocalyptic number.
It is an amenable number.
121332201213 is a deficient number, since it is larger than the sum of its proper divisors (50186054787).
121332201213 is a wasteful number, since it uses less digits than its factorization.
121332201213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26781.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 121332201213 its reverse (312102233121), we get a palindrome (433434434334).
The spelling of 121332201213 in words is "one hundred twenty-one billion, three hundred thirty-two million, two hundred one thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •