Base | Representation |
---|---|
bin | 11011010101010010010011… |
… | …100011110010010010011101 |
3 | 120202121222002000001022200201 |
4 | 123111102103203302102131 |
5 | 111224010110144442341 |
6 | 1103355415421023501 |
7 | 34214613236322340 |
oct | 3325222343622235 |
9 | 522558060038621 |
10 | 120210020312221 |
11 | 35336868663284 |
12 | 115956106b4b91 |
13 | 520c9aa6c8878 |
14 | 21982a5c80457 |
15 | dd6e1264b331 |
hex | 6d54938f249d |
120210020312221 has 32 divisors (see below), whose sum is σ = 141603289039872. Its totient is φ = 99916644925440.
The previous prime is 120210020312203. The next prime is 120210020312267. The reversal of 120210020312221 is 122213020012021.
It is not a de Polignac number, because 120210020312221 - 213 = 120210020304029 is a prime.
It is a super-3 number, since 3×1202100203122213 (a number of 43 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120210020312201) 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, 11771965 + ... + 19467901.
It is an arithmetic number, because the mean of its divisors is an integer number (4425102782496).
Almost surely, 2120210020312221 is an apocalyptic number.
It is an amenable number.
120210020312221 is a deficient number, since it is larger than the sum of its proper divisors (21393268727651).
120210020312221 is a wasteful number, since it uses less digits than its factorization.
120210020312221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7696429.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 120210020312221 its reverse (122213020012021), we get a palindrome (242423040324242).
The spelling of 120210020312221 in words is "one hundred twenty trillion, two hundred ten billion, twenty million, three hundred twelve thousand, two hundred twenty-one".
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