Base | Representation |
---|---|
bin | 1011110001000010111… |
… | …1110001110110010000 |
3 | 201022202210101200021001 |
4 | 2330100233301312100 |
5 | 11302442433021222 |
6 | 232510332311344 |
7 | 20414220151006 |
oct | 2742057616620 |
9 | 638683350231 |
10 | 202144423312 |
11 | 78802291177 |
12 | 33215912554 |
13 | 160a6692000 |
14 | 9ad8c12a76 |
15 | 53d1863e27 |
hex | 2f10bf1d90 |
202144423312 has 40 divisors (see below), whose sum is σ = 424277939960. Its totient is φ = 93297409920.
The previous prime is 202144423309. The next prime is 202144423339. The reversal of 202144423312 is 213324441202.
202144423312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 122712892416 + 79431530896 = 350304^2 + 281836^2 .
It is a super-2 number, since 2×2021444233122 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2840139 + ... + 2910442.
It is an arithmetic number, because the mean of its divisors is an integer number (10606948499).
Almost surely, 2202144423312 is an apocalyptic number.
It is an amenable number.
202144423312 is an abundant number, since it is smaller than the sum of its proper divisors (222133516648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202144423312 is an equidigital number, since it uses as much as digits as its factorization.
202144423312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5750628 (or 5750596 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 202144423312 its reverse (213324441202), we get a palindrome (415468864514).
The spelling of 202144423312 in words is "two hundred two billion, one hundred forty-four million, four hundred twenty-three thousand, three hundred twelve".
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