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142354555638287 is a prime number
BaseRepresentation
bin100000010111100010000000…
…101110001001001000001111
3200200000221222202001222211012
4200113202000232021020033
5122124314112220411122
61222432440253515435
741661530411012516
oct4027420056111017
9620027882058735
10142354555638287
11413a42565338a3
1213b713247a2b7b
136157c915ca735
142721dd667d67d
15116ce7e44b7e2
hex817880b8920f

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".