Base | Representation |
---|---|
bin | 100000010111100010000000… |
… | …101110001001001000001111 |
3 | 200200000221222202001222211012 |
4 | 200113202000232021020033 |
5 | 122124314112220411122 |
6 | 1222432440253515435 |
7 | 41661530411012516 |
oct | 4027420056111017 |
9 | 620027882058735 |
10 | 142354555638287 |
11 | 413a42565338a3 |
12 | 13b713247a2b7b |
13 | 6157c915ca735 |
14 | 2721dd667d67d |
15 | 116ce7e44b7e2 |
hex | 817880b8920f |
142354555638287 has 2 divisors, whose sum is σ = 142354555638288. Its totient is φ = 142354555638286.
The previous prime is 142354555638137. The next prime is 142354555638329. The reversal of 142354555638287 is 782836555453241.
It is a strong prime.
It is an emirp because it is prime and its reverse (782836555453241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 142354555638287 - 214 = 142354555621903 is a prime.
It is a super-3 number, since 3×1423545556382873 (a number of 43 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142354555638487) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71177277819143 + 71177277819144.
It is an arithmetic number, because the mean of its divisors is an integer number (71177277819144).
Almost surely, 2142354555638287 is an apocalyptic number.
142354555638287 is a deficient number, since it is larger than the sum of its proper divisors (1).
142354555638287 is an equidigital number, since it uses as much as digits as its factorization.
142354555638287 is an evil number, because the sum of its binary digits is even.
The product of its digits is 967680000, while the sum is 68.
The spelling of 142354555638287 in words is "one hundred forty-two trillion, three hundred fifty-four billion, five hundred fifty-five million, six hundred thirty-eight thousand, two hundred eighty-seven".
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