Base | Representation |
---|---|
bin | 101010111110110… |
… | …0101101100000001 |
3 | 10201111202210011010 |
4 | 1111331211230001 |
5 | 10423201133023 |
6 | 355035311133 |
7 | 50511366354 |
oct | 12575455401 |
9 | 3644683133 |
10 | 1442208513 |
11 | 6800a8669 |
12 | 342bab4a9 |
13 | 19ca39625 |
14 | d977c29b |
15 | 86931093 |
hex | 55f65b01 |
1442208513 has 16 divisors (see below), whose sum is σ = 1969411136. Its totient is φ = 938511360.
The previous prime is 1442208503. The next prime is 1442208577. The reversal of 1442208513 is 3158022441.
It is not a de Polignac number, because 1442208513 - 212 = 1442204417 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1442208503) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12703 + ... + 55188.
It is an arithmetic number, because the mean of its divisors is an integer number (123088196).
Almost surely, 21442208513 is an apocalyptic number.
It is an amenable number.
1442208513 is a deficient number, since it is larger than the sum of its proper divisors (527202623).
1442208513 is an equidigital number, since it uses as much as digits as its factorization.
1442208513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68064.
The product of its (nonzero) digits is 7680, while the sum is 30.
The square root of 1442208513 is about 37976.4204869285. The cubic root of 1442208513 is about 1129.8202426360.
The spelling of 1442208513 in words is "one billion, four hundred forty-two million, two hundred eight thousand, five hundred thirteen".
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