Base | Representation |
---|---|
bin | 1011101100111100101… |
… | …1100010100000010010 |
3 | 201012221010111220210000 |
4 | 2323033023202200102 |
5 | 11243214331413432 |
6 | 232205235150430 |
7 | 20345032145223 |
oct | 2731713424022 |
9 | 635833456700 |
10 | 201044404242 |
11 | 78298363600 |
12 | 32b69445416 |
13 | 15c5c805756 |
14 | 9a32aab24a |
15 | 5369ec757c |
hex | 2ecf2e2812 |
201044404242 has 360 divisors, whose sum is σ = 549231173568. Its totient is φ = 54810328320.
The previous prime is 201044404199. The next prime is 201044404261. The reversal of 201044404242 is 242404440102.
201044404242 is a `hidden beast` number, since 2 + 0 + 10 + 4 + 4 + 404 + 242 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 130293723 + ... + 130295265.
Almost surely, 2201044404242 is an apocalyptic number.
201044404242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 201044404242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274615586784).
201044404242 is an abundant number, since it is smaller than the sum of its proper divisors (348186769326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201044404242 is a wasteful number, since it uses less digits than its factorization.
201044404242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1636 (or 1599 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 27.
Adding to 201044404242 its reverse (242404440102), we get a palindrome (443448844344).
The spelling of 201044404242 in words is "two hundred one billion, forty-four million, four hundred four thousand, two hundred forty-two".
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