Base | Representation |
---|---|
bin | 1011110100101101111… |
… | …1111100111001110000 |
3 | 201102022111011202200100 |
4 | 2331023133330321300 |
5 | 11312002303130112 |
6 | 233152223352400 |
7 | 20450516421354 |
oct | 2751337747160 |
9 | 642274152610 |
10 | 203130130032 |
11 | 79168732225 |
12 | 3344ba52700 |
13 | 1620296641b |
14 | 9b8dabd464 |
15 | 543d1702dc |
hex | 2f4b7fce70 |
203130130032 has 120 divisors (see below), whose sum is σ = 593452873728. Its totient is φ = 64738396800.
The previous prime is 203130130031. The next prime is 203130130057. The reversal of 203130130032 is 230031031302.
203130130032 is a `hidden beast` number, since 2 + 0 + 31 + 301 + 300 + 32 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 203130129987 and 203130130014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203130130031) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8569557 + ... + 8593227.
Almost surely, 2203130130032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 203130130032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296726436864).
203130130032 is an abundant number, since it is smaller than the sum of its proper divisors (390322743696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203130130032 is a wasteful number, since it uses less digits than its factorization.
203130130032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26299 (or 26290 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 203130130032 its reverse (230031031302), we get a palindrome (433161161334).
The spelling of 203130130032 in words is "two hundred three billion, one hundred thirty million, one hundred thirty thousand, thirty-two".
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