Base | Representation |
---|---|
bin | 1000010011101101000… |
… | …1111010000011111011 |
3 | 111122101222210120000111 |
4 | 2010323101322003323 |
5 | 4314301442031104 |
6 | 145322450245151 |
7 | 13211641661416 |
oct | 2047321720373 |
9 | 448358716014 |
10 | 142728470779 |
11 | 55592556674 |
12 | 237b35867b7 |
13 | 105c7c3664b |
14 | 6c9db52b7d |
15 | 3aa552c404 |
hex | 213b47a0fb |
142728470779 has 2 divisors, whose sum is σ = 142728470780. Its totient is φ = 142728470778.
The previous prime is 142728470713. The next prime is 142728470813. The reversal of 142728470779 is 977074827241.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 142728470779 - 235 = 108368732411 is a prime.
It is not a weakly prime, because it can be changed into another prime (142728470279) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71364235389 + 71364235390.
It is an arithmetic number, because the mean of its divisors is an integer number (71364235390).
Almost surely, 2142728470779 is an apocalyptic number.
142728470779 is a deficient number, since it is larger than the sum of its proper divisors (1).
142728470779 is an equidigital number, since it uses as much as digits as its factorization.
142728470779 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11063808, while the sum is 58.
The spelling of 142728470779 in words is "one hundred forty-two billion, seven hundred twenty-eight million, four hundred seventy thousand, seven hundred seventy-nine".
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