Base | Representation |
---|---|
bin | 100010100101110000… |
… | …0011001011100101111 |
3 | 21002201210020100201112 |
4 | 1011023200121130233 |
5 | 2204111443244304 |
6 | 54042504302235 |
7 | 5236521010112 |
oct | 1051340313457 |
9 | 232653210645 |
10 | 74281228079 |
11 | 295588a90a3 |
12 | 1249077197b |
13 | 700a3c36c6 |
14 | 3849454579 |
15 | 1deb3d7b6e |
hex | 114b81972f |
74281228079 has 2 divisors, whose sum is σ = 74281228080. Its totient is φ = 74281228078.
The previous prime is 74281228069. The next prime is 74281228117. The reversal of 74281228079 is 97082218247.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 74281228079 - 212 = 74281223983 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (74281228069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37140614039 + 37140614040.
It is an arithmetic number, because the mean of its divisors is an integer number (37140614040).
Almost surely, 274281228079 is an apocalyptic number.
74281228079 is a deficient number, since it is larger than the sum of its proper divisors (1).
74281228079 is an equidigital number, since it uses as much as digits as its factorization.
74281228079 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 903168, while the sum is 50.
The spelling of 74281228079 in words is "seventy-four billion, two hundred eighty-one million, two hundred twenty-eight thousand, seventy-nine".
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