Base | Representation |
---|---|
bin | 110100100101110111000010… |
… | …001010011111000110011100 |
3 | 1010022222002001211210000202112 |
4 | 310211313002022133012130 |
5 | 220304110132104221340 |
6 | 2135533451411013152 |
7 | 66501611606625254 |
oct | 6445670212370634 |
9 | 1108862054700675 |
10 | 231300131320220 |
11 | 6777692016a3a6 |
12 | 21b37621b9a1b8 |
13 | 9c0a67ca83c21 |
14 | 4118db3b80964 |
15 | 1bb19a957d065 |
hex | d25dc229f19c |
231300131320220 has 48 divisors (see below), whose sum is σ = 514304563364928. Its totient is φ = 87077371683840.
The previous prime is 231300131320207. The next prime is 231300131320253. The reversal of 231300131320220 is 22023131003132.
231300131320220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 102468950 + ... + 104701890.
It is an arithmetic number, because the mean of its divisors is an integer number (10714678403436).
Almost surely, 2231300131320220 is an apocalyptic number.
231300131320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231300131320220 is an abundant number, since it is smaller than the sum of its proper divisors (283004432044708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231300131320220 is a wasteful number, since it uses less digits than its factorization.
231300131320220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2537630 (or 2537628 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 231300131320220 its reverse (22023131003132), we get a palindrome (253323262323352).
The spelling of 231300131320220 in words is "two hundred thirty-one trillion, three hundred billion, one hundred thirty-one million, three hundred twenty thousand, two hundred twenty".
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