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142175442340777 = 449826938293517
BaseRepresentation
bin100000010100111011001100…
…101111001000101110101001
3200122101211200000210201201111
4200110323030233020232221
5122113400301214401102
61222214255130150321
741642560000056046
oct4024731457105651
9618354600721644
10142175442340777
11413352a277139a
1213b42677b823a1
1361441185a5121
14271748453c1cd
1511684999e4cd7
hex814eccbc8ba9

142175442340777 has 8 divisors (see below), whose sum is σ = 142509327237000. Its totient is φ = 141841634049024.

The previous prime is 142175442340759. The next prime is 142175442340793. The reversal of 142175442340777 is 777043244571241.

It can be written as a sum of positive squares in 4 ways, for example, as 64271711777296 + 77903730563481 = 8016964^2 + 8826309^2 .

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 142175442340777 - 211 = 142175442338729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142175442340277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15433978 + ... + 22859539.

It is an arithmetic number, because the mean of its divisors is an integer number (17813665904625).

Almost surely, 2142175442340777 is an apocalyptic number.

It is an amenable number.

142175442340777 is a deficient number, since it is larger than the sum of its proper divisors (333884896223).

142175442340777 is an equidigital number, since it uses as much as digits as its factorization.

142175442340777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38302235.

The product of its (nonzero) digits is 36879360, while the sum is 58.

The spelling of 142175442340777 in words is "one hundred forty-two trillion, one hundred seventy-five billion, four hundred forty-two million, three hundred forty thousand, seven hundred seventy-seven".

Divisors: 1 449 8269 3712781 38293517 17193789133 316649092073 142175442340777