Base | Representation |
---|---|
bin | 10000111011110… |
… | …10110011100001 |
3 | 100220022102201222 |
4 | 20131322303201 |
5 | 242331421034 |
6 | 22032504425 |
7 | 3343332224 |
oct | 1035726341 |
9 | 326272658 |
10 | 142060769 |
11 | 7320a3a4 |
12 | 3b6ab115 |
13 | 2357c336 |
14 | 14c1d5bb |
15 | c71212e |
hex | 877ace1 |
142060769 has 2 divisors, whose sum is σ = 142060770. Its totient is φ = 142060768.
The previous prime is 142060753. The next prime is 142060771. The reversal of 142060769 is 967060241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 117180625 + 24880144 = 10825^2 + 4988^2 .
It is a cyclic number.
It is not a de Polignac number, because 142060769 - 24 = 142060753 is a prime.
It is a super-2 number, since 2×1420607692 = 40362524177742722, which contains 22 as substring.
Together with 142060771, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (142060069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71030384 + 71030385.
It is an arithmetic number, because the mean of its divisors is an integer number (71030385).
Almost surely, 2142060769 is an apocalyptic number.
It is an amenable number.
142060769 is a deficient number, since it is larger than the sum of its proper divisors (1).
142060769 is an equidigital number, since it uses as much as digits as its factorization.
142060769 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18144, while the sum is 35.
The square root of 142060769 is about 11918.9248256711. The cubic root of 142060769 is about 521.7847561169.
The spelling of 142060769 in words is "one hundred forty-two million, sixty thousand, seven hundred sixty-nine".
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