Base | Representation |
---|---|
bin | 1011110100010011110… |
… | …0010011000010001000 |
3 | 201102000211011200120010 |
4 | 2331010330103002020 |
5 | 11311241122321300 |
6 | 233133253431520 |
7 | 20445012356112 |
oct | 2750474230210 |
9 | 642024150503 |
10 | 203020120200 |
11 | 79111624207 |
12 | 3341b03b5a0 |
13 | 161b5c29751 |
14 | 9b7d2443b2 |
15 | 543368ea50 |
hex | 2f44f13088 |
203020120200 has 192 divisors, whose sum is σ = 657516398400. Its totient is φ = 51753856000.
The previous prime is 203020120183. The next prime is 203020120213. The reversal of 203020120200 is 2021020302.
It is a Harshad number since it is a multiple of its sum of digits (12).
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, 1699639 + ... + 1815161.
It is an arithmetic number, because the mean of its divisors is an integer number (3424564575).
Almost surely, 2203020120200 is an apocalyptic number.
203020120200 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 203020120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328758199200).
203020120200 is an abundant number, since it is smaller than the sum of its proper divisors (454496278200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203020120200 is a wasteful number, since it uses less digits than its factorization.
203020120200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115672 (or 115663 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
Adding to 203020120200 its reverse (2021020302), we get a palindrome (205041140502).
The spelling of 203020120200 in words is "two hundred three billion, twenty million, one hundred twenty thousand, two hundred".
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