Base | Representation |
---|---|
bin | 10001100111000110101… |
… | …111011001010001100000 |
3 | 11021200210022200011102010 |
4 | 101213012233121101200 |
5 | 124312012322420412 |
6 | 2323544545152520 |
7 | 153302245213461 |
oct | 21470657312140 |
9 | 4250708604363 |
10 | 1210220123232 |
11 | 427284788a2a |
12 | 17667032b740 |
13 | 8a17aa869c3 |
14 | 428099cad68 |
15 | 2173207a33c |
hex | 119c6bd9460 |
1210220123232 has 48 divisors (see below), whose sum is σ = 3178417536000. Its totient is φ = 403204839552.
The previous prime is 1210220123213. The next prime is 1210220123249. The reversal of 1210220123232 is 2323210220121.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×12102201232322 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1210220123199 and 1210220123208.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2961288 + ... + 3345095.
It is an arithmetic number, because the mean of its divisors is an integer number (66217032000).
Almost surely, 21210220123232 is an apocalyptic number.
1210220123232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1210220123232 is an abundant number, since it is smaller than the sum of its proper divisors (1968197412768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210220123232 is a wasteful number, since it uses less digits than its factorization.
1210220123232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6308395 (or 6308387 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 1210220123232 its reverse (2323210220121), we get a palindrome (3533430343353).
The spelling of 1210220123232 in words is "one trillion, two hundred ten billion, two hundred twenty million, one hundred twenty-three thousand, two hundred thirty-two".
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