Base | Representation |
---|---|
bin | 1011000110010100100000… |
… | …1100001001000000110000 |
3 | 1121012121121220121210101010 |
4 | 2301211020030021000300 |
5 | 3044414140041331003 |
6 | 41542025002510520 |
7 | 2366436666661254 |
oct | 261451014110060 |
9 | 47177556553333 |
10 | 12203213230128 |
11 | 3985398805398 |
12 | 1451093505440 |
13 | 6a69b163045b |
14 | 3028d2730264 |
15 | 162678508003 |
hex | b1948309030 |
12203213230128 has 40 divisors (see below), whose sum is σ = 31525102740976. Its totient is φ = 4067720294400.
The previous prime is 12203213230121. The next prime is 12203213230129. The reversal of 12203213230128 is 82103231230221.
It is a junction number, because it is equal to n+sod(n) for n = 12203213230095 and 12203213230104.
It is not an unprimeable number, because it can be changed into a prime (12203213230121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15832248 + ... + 16585128.
Almost surely, 212203213230128 is an apocalyptic number.
It is an amenable number.
12203213230128 is an abundant number, since it is smaller than the sum of its proper divisors (19321889510848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12203213230128 is a wasteful number, since it uses less digits than its factorization.
12203213230128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1090573 (or 1090567 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 30.
Adding to 12203213230128 its reverse (82103231230221), we get a palindrome (94306444460349).
The spelling of 12203213230128 in words is "twelve trillion, two hundred three billion, two hundred thirteen million, two hundred thirty thousand, one hundred twenty-eight".
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