Base | Representation |
---|---|
bin | 100000011110110101111001… |
… | …000011001000101010000111 |
3 | 200201210222201122022011101221 |
4 | 200132311321003020222013 |
5 | 122211032002123103122 |
6 | 1223455323225301211 |
7 | 42043034046320611 |
oct | 4036657103105207 |
9 | 621728648264357 |
10 | 142856938097287 |
11 | 41578318312a77 |
12 | 1403276b634807 |
13 | 619347520205b |
14 | 273c454077db1 |
15 | 117b0842dd6c7 |
hex | 81ed790c8a87 |
142856938097287 has 2 divisors, whose sum is σ = 142856938097288. Its totient is φ = 142856938097286.
The previous prime is 142856938097173. The next prime is 142856938097317. The reversal of 142856938097287 is 782790839658241.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142856938097287 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142856938097987) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71428469048643 + 71428469048644.
It is an arithmetic number, because the mean of its divisors is an integer number (71428469048644).
It is a 1-persistent number, because it is pandigital, but 2⋅142856938097287 = 285713876194574 is not.
Almost surely, 2142856938097287 is an apocalyptic number.
142856938097287 is a deficient number, since it is larger than the sum of its proper divisors (1).
142856938097287 is an equidigital number, since it uses as much as digits as its factorization.
142856938097287 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2926264320, while the sum is 79.
The spelling of 142856938097287 in words is "one hundred forty-two trillion, eight hundred fifty-six billion, nine hundred thirty-eight million, ninety-seven thousand, two hundred eighty-seven".
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