Base | Representation |
---|---|
bin | 110100101001011000011001… |
… | …110110010101001010001000 |
3 | 1010100211012200111022010212201 |
4 | 310221120121312111022020 |
5 | 220322041230333201300 |
6 | 2140240552021045544 |
7 | 66525236411566204 |
oct | 6451303166251210 |
9 | 1110735614263781 |
10 | 231542120600200 |
11 | 6785a509874083 |
12 | 21b764b78568b4 |
13 | 9c274363184a7 |
14 | 41269ac6d7b04 |
15 | 1bb7e1de8066a |
hex | d29619d95288 |
231542120600200 has 192 divisors, whose sum is σ = 547599701376000. Its totient is φ = 91036662877440.
The previous prime is 231542120600159. The next prime is 231542120600269. The reversal of 231542120600200 is 2006021245132.
It is a super-2 number, since 2×2315421206002002 (a number of 30 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19124642547 + ... + 19124654653.
It is an arithmetic number, because the mean of its divisors is an integer number (2852081778000).
Almost surely, 2231542120600200 is an apocalyptic number.
231542120600200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231542120600200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273799850688000).
231542120600200 is an abundant number, since it is smaller than the sum of its proper divisors (316057580775800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231542120600200 is a wasteful number, since it uses less digits than its factorization.
231542120600200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19044 (or 19035 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 28.
Adding to 231542120600200 its reverse (2006021245132), we get a palindrome (233548141845332).
The spelling of 231542120600200 in words is "two hundred thirty-one trillion, five hundred forty-two billion, one hundred twenty million, six hundred thousand, two hundred".
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