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142857442873 = 613317075303
BaseRepresentation
bin1000010100001011110…
…1111001011000111001
3111122201222111000110201
42011002331321120321
54320033001132443
6145343334442201
713215066141355
oct2050275713071
9448658430421
10142857442873
1155649336282
122382a803361
13106188822b2
146cb2d26465
153ab1a0634d
hex2142f79639

142857442873 has 8 divisors (see below), whose sum is σ = 145638057536. Its totient is φ = 140090979600.

The previous prime is 142857442811. The next prime is 142857442919. The reversal of 142857442873 is 378244758241.

142857442873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142857442873 - 29 = 142857442361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142857446873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3517461 + ... + 3557842.

It is an arithmetic number, because the mean of its divisors is an integer number (18204757192).

Almost surely, 2142857442873 is an apocalyptic number.

It is an amenable number.

142857442873 is a deficient number, since it is larger than the sum of its proper divisors (2780614663).

142857442873 is an equidigital number, since it uses as much as digits as its factorization.

142857442873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075695.

The product of its digits is 12042240, while the sum is 55.

The spelling of 142857442873 in words is "one hundred forty-two billion, eight hundred fifty-seven million, four hundred forty-two thousand, eight hundred seventy-three".

Divisors: 1 61 331 20191 7075303 431593483 2341925293 142857442873