Base | Representation |
---|---|
bin | 10000111011110… |
… | …11011101100001 |
3 | 100220022120102112 |
4 | 20131323131201 |
5 | 242332012312 |
6 | 22032525105 |
7 | 3343343114 |
oct | 1035733541 |
9 | 326276375 |
10 | 142063457 |
11 | 73211418 |
12 | 3b6b0795 |
13 | 23580623 |
14 | 14c2057b |
15 | c712d22 |
hex | 877b761 |
142063457 has 2 divisors, whose sum is σ = 142063458. Its totient is φ = 142063456.
The previous prime is 142063451. The next prime is 142063459. The reversal of 142063457 is 754360241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 138674176 + 3389281 = 11776^2 + 1841^2 .
It is a cyclic number.
It is not a de Polignac number, because 142063457 - 210 = 142062433 is a prime.
Together with 142063459, 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 (142063451) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71031728 + 71031729.
It is an arithmetic number, because the mean of its divisors is an integer number (71031729).
Almost surely, 2142063457 is an apocalyptic number.
It is an amenable number.
142063457 is a deficient number, since it is larger than the sum of its proper divisors (1).
142063457 is an equidigital number, since it uses as much as digits as its factorization.
142063457 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20160, while the sum is 32.
The square root of 142063457 is about 11919.0375869866. The cubic root of 142063457 is about 521.7880470761.
The spelling of 142063457 in words is "one hundred forty-two million, sixty-three thousand, four hundred fifty-seven".
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