Base | Representation |
---|---|
bin | 11010001000010111… |
… | …101011110111001011 |
3 | 2200102101112120001011 |
4 | 122020113223313023 |
5 | 424430233322443 |
6 | 20520050104351 |
7 | 2012203430545 |
oct | 321027536713 |
9 | 80371476034 |
10 | 28057714123 |
11 | 1099893699a |
12 | 553057b0b7 |
13 | 2851b7740a |
14 | 15024d4695 |
15 | ae3366b9d |
hex | 6885ebdcb |
28057714123 has 2 divisors, whose sum is σ = 28057714124. Its totient is φ = 28057714122.
The previous prime is 28057714117. The next prime is 28057714133. The reversal of 28057714123 is 32141775082.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28057714123 - 229 = 27520843211 is a prime.
It is not a weakly prime, because it can be changed into another prime (28057714133) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14028857061 + 14028857062.
It is an arithmetic number, because the mean of its divisors is an integer number (14028857062).
Almost surely, 228057714123 is an apocalyptic number.
28057714123 is a deficient number, since it is larger than the sum of its proper divisors (1).
28057714123 is an equidigital number, since it uses as much as digits as its factorization.
28057714123 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 94080, while the sum is 40.
The spelling of 28057714123 in words is "twenty-eight billion, fifty-seven million, seven hundred fourteen thousand, one hundred twenty-three".
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