Base | Representation |
---|---|
bin | 1101011111101101… |
… | …01100111001111001 |
3 | 200200221100101021211 |
4 | 12233312230321321 |
5 | 104314300213201 |
6 | 3154540203121 |
7 | 344355126226 |
oct | 65766547171 |
9 | 20627311254 |
10 | 7245319801 |
11 | 3088881005 |
12 | 14a25394a1 |
13 | 8b609a2a5 |
14 | 4ca37894d |
15 | 2c6126651 |
hex | 1afdace79 |
7245319801 has 2 divisors, whose sum is σ = 7245319802. Its totient is φ = 7245319800.
The previous prime is 7245319759. The next prime is 7245319841. The reversal of 7245319801 is 1089135427.
It is an a-pointer prime, because the next prime (7245319841) can be obtained adding 7245319801 to its sum of digits (40).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7030990201 + 214329600 = 83851^2 + 14640^2 .
It is an emirp because it is prime and its reverse (1089135427) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 7245319801 - 27 = 7245319673 is a prime.
It is not a weakly prime, because it can be changed into another prime (7245319841) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3622659900 + 3622659901.
It is an arithmetic number, because the mean of its divisors is an integer number (3622659901).
Almost surely, 27245319801 is an apocalyptic number.
It is an amenable number.
7245319801 is a deficient number, since it is larger than the sum of its proper divisors (1).
7245319801 is an equidigital number, since it uses as much as digits as its factorization.
7245319801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 60480, while the sum is 40.
The square root of 7245319801 is about 85119.4443179700. Note that the first 3 decimals coincide. The cubic root of 7245319801 is about 1935.0217600217.
The spelling of 7245319801 in words is "seven billion, two hundred forty-five million, three hundred nineteen thousand, eight hundred one".
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