Base | Representation |
---|---|
bin | 1001000000110… |
… | …11011110011101 |
3 | 12021021101102212 |
4 | 10200123132131 |
5 | 123324010023 |
6 | 11300330205 |
7 | 1605450233 |
oct | 440333635 |
9 | 167241385 |
10 | 75610013 |
11 | 39752a16 |
12 | 213a3965 |
13 | 1288416b |
14 | a082953 |
15 | 6987e78 |
hex | 481b79d |
75610013 has 2 divisors, whose sum is σ = 75610014. Its totient is φ = 75610012.
The previous prime is 75610001. The next prime is 75610021. The reversal of 75610013 is 31001657.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 64673764 + 10936249 = 8042^2 + 3307^2 .
It is an emirp because it is prime and its reverse (31001657) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 75610013 - 210 = 75608989 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (78610013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37805006 + 37805007.
It is an arithmetic number, because the mean of its divisors is an integer number (37805007).
Almost surely, 275610013 is an apocalyptic number.
It is an amenable number.
75610013 is a deficient number, since it is larger than the sum of its proper divisors (1).
75610013 is an equidigital number, since it uses as much as digits as its factorization.
75610013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 630, while the sum is 23.
The square root of 75610013 is about 8695.4018308529. The cubic root of 75610013 is about 422.8565909840.
The spelling of 75610013 in words is "seventy-five million, six hundred ten thousand, thirteen".
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