Base | Representation |
---|---|
bin | 1110101100011000010… |
… | …0000011010101111001 |
3 | 220010120100120012112202 |
4 | 3223012010003111321 |
5 | 13113434322213301 |
6 | 311544253315545 |
7 | 24144322362224 |
oct | 3530604032571 |
9 | 803510505482 |
10 | 252431054201 |
11 | 98067827257 |
12 | 40b0a795bb5 |
13 | 1aa5b92b5c1 |
14 | c3096365bb |
15 | 687647666b |
hex | 3ac6103579 |
252431054201 has 8 divisors (see below), whose sum is σ = 254396574600. Its totient is φ = 250469152128.
The previous prime is 252431054191. The next prime is 252431054203. The reversal of 252431054201 is 102450134252.
It can be written as a sum of positive squares in 4 ways, for example, as 27109951801 + 225321102400 = 164651^2 + 474680^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-252431054201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (252431054203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764426 + ... + 1043651.
It is an arithmetic number, because the mean of its divisors is an integer number (31799571825).
Almost surely, 2252431054201 is an apocalyptic number.
It is an amenable number.
252431054201 is a deficient number, since it is larger than the sum of its proper divisors (1965520399).
252431054201 is a wasteful number, since it uses less digits than its factorization.
252431054201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1809163.
The product of its (nonzero) digits is 9600, while the sum is 29.
Adding to 252431054201 its reverse (102450134252), we get a palindrome (354881188453).
The spelling of 252431054201 in words is "two hundred fifty-two billion, four hundred thirty-one million, fifty-four thousand, two hundred one".
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