Base | Representation |
---|---|
bin | 11011100101010010110101… |
… | …100111000011011101110100 |
3 | 120220112010120200010100102220 |
4 | 123211102311213003131310 |
5 | 111400021042411102012 |
6 | 1110001031515402340 |
7 | 34360236305632626 |
oct | 3345226547033564 |
9 | 526463520110386 |
10 | 121310103222132 |
11 | 357203647a2760 |
12 | 117328641533b0 |
13 | 528c655712856 |
14 | 21d562436ac16 |
15 | e0584a52808c |
hex | 6e54b59c3774 |
121310103222132 has 96 divisors (see below), whose sum is σ = 317329952755200. Its totient is φ = 35745120789120.
The previous prime is 121310103222109. The next prime is 121310103222149. The reversal of 121310103222132 is 231222301013121.
It is a super-2 number, since 2×1213101032221322 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313119 + ... + 15579417.
It is an arithmetic number, because the mean of its divisors is an integer number (3305520341200).
Almost surely, 2121310103222132 is an apocalyptic number.
121310103222132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121310103222132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158664976377600).
121310103222132 is an abundant number, since it is smaller than the sum of its proper divisors (196019849533068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121310103222132 is a wasteful number, since it uses less digits than its factorization.
121310103222132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15267981 (or 15267979 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 121310103222132 its reverse (231222301013121), we get a palindrome (352532404235253).
The spelling of 121310103222132 in words is "one hundred twenty-one trillion, three hundred ten billion, one hundred three million, two hundred twenty-two thousand, one hundred thirty-two".
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