Base | Representation |
---|---|
bin | 11011100101010010111100… |
… | …000110110110110001010000 |
3 | 120220112010212021020010012020 |
4 | 123211102330012312301100 |
5 | 111400021303312101112 |
6 | 1110001050411531440 |
7 | 34360242101260611 |
oct | 3345227406666120 |
9 | 526463767203166 |
10 | 121310212222032 |
11 | 35720410280a19 |
12 | 11732894759b80 |
13 | 528c672187932 |
14 | 21d5634a21c08 |
15 | e05854da948c |
hex | 6e54bc1b6c50 |
121310212222032 has 160 divisors (see below), whose sum is σ = 325136036628480. Its totient is φ = 38945813437440.
The previous prime is 121310212222027. The next prime is 121310212222039. The reversal of 121310212222032 is 230222212013121.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 121310212221993 and 121310212222011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121310212222039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1237974543 + ... + 1238072529.
It is an arithmetic number, because the mean of its divisors is an integer number (2032100228928).
Almost surely, 2121310212222032 is an apocalyptic number.
121310212222032 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 121310212222032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162568018314240).
121310212222032 is an abundant number, since it is smaller than the sum of its proper divisors (203825824406448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121310212222032 is a wasteful number, since it uses less digits than its factorization.
121310212222032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106081 (or 106075 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 121310212222032 its reverse (230222212013121), we get a palindrome (351532424235153).
The spelling of 121310212222032 in words is "one hundred twenty-one trillion, three hundred ten billion, two hundred twelve million, two hundred twenty-two thousand, thirty-two".
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