Base | Representation |
---|---|
bin | 1011101100110010011… |
… | …0110001100001111110 |
3 | 201012211010020112012110 |
4 | 2323030212301201332 |
5 | 11243122302241110 |
6 | 232201053314450 |
7 | 20343666053343 |
oct | 2731446614176 |
9 | 635733215173 |
10 | 201001212030 |
11 | 78275a42663 |
12 | 32b56a95a26 |
13 | 15c53891c28 |
14 | 9a2b0667ca |
15 | 53662e4a20 |
hex | 2ecc9b187e |
201001212030 has 64 divisors (see below), whose sum is σ = 502835650560. Its totient is φ = 51373263744.
The previous prime is 201001212023. The next prime is 201001212031. The reversal of 201001212030 is 30212100102.
It is a junction number, because it is equal to n+sod(n) for n = 201001211997 and 201001212015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201001212031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1276990 + ... + 1425729.
It is an arithmetic number, because the mean of its divisors is an integer number (7856807040).
Almost surely, 2201001212030 is an apocalyptic number.
201001212030 is an abundant number, since it is smaller than the sum of its proper divisors (301834438530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201001212030 is a wasteful number, since it uses less digits than its factorization.
201001212030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2702833.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 201001212030 its reverse (30212100102), we get a palindrome (231213312132).
The spelling of 201001212030 in words is "two hundred one billion, one million, two hundred twelve thousand, thirty".
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