Base | Representation |
---|---|
bin | 110100100100100101000011… |
… | …110011011100000010011110 |
3 | 1010022122122212121220102221012 |
4 | 310210211003303130002132 |
5 | 220301134401133100410 |
6 | 2135425213343335222 |
7 | 66462344451030611 |
oct | 6444450363340236 |
9 | 1108578777812835 |
10 | 231212112003230 |
11 | 677425625a1816 |
12 | 21b225585b1512 |
13 | 9c02293404737 |
14 | 4114a23d50178 |
15 | 1bae55704a605 |
hex | d24943cdc09e |
231212112003230 has 32 divisors (see below), whose sum is σ = 418883565675456. Its totient is φ = 91885007436544.
The previous prime is 231212112003193. The next prime is 231212112003247. The reversal of 231212112003230 is 32300211212132.
It is a junction number, because it is equal to n+sod(n) for n = 231212112003196 and 231212112003205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31329599 + ... + 37999578.
It is an arithmetic number, because the mean of its divisors is an integer number (13090111427358).
Almost surely, 2231212112003230 is an apocalyptic number.
231212112003230 is a deficient number, since it is larger than the sum of its proper divisors (187671453672226).
231212112003230 is a wasteful number, since it uses less digits than its factorization.
231212112003230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69331348.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 231212112003230 its reverse (32300211212132), we get a palindrome (263512323215362).
The spelling of 231212112003230 in words is "two hundred thirty-one trillion, two hundred twelve billion, one hundred twelve million, three thousand, two hundred thirty".
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