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142035570889 = 348974070137
BaseRepresentation
bin1000010001000111111…
…0101101000011001001
3111120121200222121001121
42010101332231003021
54311342101232024
6145130015115241
713155526301212
oct2042176550311
9446550877047
10142035570889
1155267416733
122363b512b21
1310517511c04
146c35b06409
153a647ad8e4
hex2111fad0c9

142035570889 has 4 divisors (see below), whose sum is σ = 142039675924. Its totient is φ = 142031465856.

The previous prime is 142035570883. The next prime is 142035570917. The reversal of 142035570889 is 988075530241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 988075530241 = 5471806353803.

It can be written as a sum of positive squares in 2 ways, for example, as 18910375225 + 123125195664 = 137515^2 + 350892^2 .

It is a cyclic number.

It is not a de Polignac number, because 142035570889 - 25 = 142035570857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142035570883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000172 + ... + 2069965.

It is an arithmetic number, because the mean of its divisors is an integer number (35509918981).

Almost surely, 2142035570889 is an apocalyptic number.

It is an amenable number.

142035570889 is a deficient number, since it is larger than the sum of its proper divisors (4105035).

142035570889 is an equidigital number, since it uses as much as digits as its factorization.

142035570889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105034.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 142035570889 in words is "one hundred forty-two billion, thirty-five million, five hundred seventy thousand, eight hundred eighty-nine".

Divisors: 1 34897 4070137 142035570889