Base | Representation |
---|---|
bin | 1111110010100001100… |
… | …10001100010011111001 |
3 | 1220212100020101012102202 |
4 | 13321100302030103321 |
5 | 32342040412323301 |
6 | 1053121504235545 |
7 | 54124116143021 |
oct | 7712062142371 |
9 | 1825306335382 |
10 | 542521214201 |
11 | 19a09a09a03a |
12 | 8918930bbb5 |
13 | 3c20c649755 |
14 | 1c3885a4a81 |
15 | e1a3b3666b |
hex | 7e50c8c4f9 |
542521214201 has 2 divisors, whose sum is σ = 542521214202. Its totient is φ = 542521214200.
The previous prime is 542521214197. The next prime is 542521214243. The reversal of 542521214201 is 102412125245.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 329848056976 + 212673157225 = 574324^2 + 461165^2 .
It is a cyclic number.
It is not a de Polignac number, because 542521214201 - 22 = 542521214197 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (542521214801) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271260607100 + 271260607101.
It is an arithmetic number, because the mean of its divisors is an integer number (271260607101).
Almost surely, 2542521214201 is an apocalyptic number.
It is an amenable number.
542521214201 is a deficient number, since it is larger than the sum of its proper divisors (1).
542521214201 is an equidigital number, since it uses as much as digits as its factorization.
542521214201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6400, while the sum is 29.
Adding to 542521214201 its reverse (102412125245), we get a palindrome (644933339446).
The spelling of 542521214201 in words is "five hundred forty-two billion, five hundred twenty-one million, two hundred fourteen thousand, two hundred one".
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