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231542120600200 = 2352103139667912107
BaseRepresentation
bin110100101001011000011001…
…110110010101001010001000
31010100211012200111022010212201
4310221120121312111022020
5220322041230333201300
62140240552021045544
766525236411566204
oct6451303166251210
91110735614263781
10231542120600200
116785a509874083
1221b764b78568b4
139c274363184a7
1441269ac6d7b04
151bb7e1de8066a
hexd29619d95288

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".