Base | Representation |
---|---|
bin | 1011101001101010001… |
… | …1001110111000010110 |
3 | 201010122121000211001020 |
4 | 2322122203032320112 |
5 | 11234412311012440 |
6 | 231541453542010 |
7 | 20314121010423 |
oct | 2723243167026 |
9 | 633577024036 |
10 | 200161422870 |
11 | 779849a5632 |
12 | 329617a4906 |
13 | 15b4b8ba476 |
14 | 998b700d4a |
15 | 531770d3d0 |
hex | 2e9a8cee16 |
200161422870 has 192 divisors, whose sum is σ = 531175656960. Its totient is φ = 48127564800.
The previous prime is 200161422859. The next prime is 200161422871. The reversal of 200161422870 is 78224161002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200161422871) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34032330 + ... + 34038210.
It is an arithmetic number, because the mean of its divisors is an integer number (2766539880).
Almost surely, 2200161422870 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 200161422870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265587828480).
200161422870 is an abundant number, since it is smaller than the sum of its proper divisors (331014234090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200161422870 is a wasteful number, since it uses less digits than its factorization.
200161422870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6039 (or 6010 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 33.
Adding to 200161422870 its reverse (78224161002), we get a palindrome (278385583872).
The spelling of 200161422870 in words is "two hundred billion, one hundred sixty-one million, four hundred twenty-two thousand, eight hundred seventy".
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