Base | Representation |
---|---|
bin | 1011000111011010111000… |
… | …0111101101000110011100 |
3 | 1121021102101101110022121210 |
4 | 2301312232013231012130 |
5 | 3100221331410244234 |
6 | 41554431240424420 |
7 | 2401006053120066 |
oct | 261665607550634 |
9 | 47242341408553 |
10 | 12222103212444 |
11 | 39924016a7724 |
12 | 1454885778110 |
13 | 6a870205a798 |
14 | 3037a542a736 |
15 | 162dd1aaebe9 |
hex | b1dae1ed19c |
12222103212444 has 96 divisors (see below), whose sum is σ = 29100984433920. Its totient is φ = 3991481505792.
The previous prime is 12222103212437. The next prime is 12222103212467. The reversal of 12222103212444 is 44421230122221.
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, 181926892 + ... + 181994060.
It is an arithmetic number, because the mean of its divisors is an integer number (303135254520).
Almost surely, 212222103212444 is an apocalyptic number.
It is an amenable number.
12222103212444 is an abundant number, since it is smaller than the sum of its proper divisors (16878881221476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12222103212444 is a wasteful number, since it uses less digits than its factorization.
12222103212444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68467 (or 68465 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 30.
Adding to 12222103212444 its reverse (44421230122221), we get a palindrome (56643333334665).
The spelling of 12222103212444 in words is "twelve trillion, two hundred twenty-two billion, one hundred three million, two hundred twelve thousand, four hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •