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142303035315442 = 271151517657721
BaseRepresentation
bin100000010110110010000001…
…110111101101010011110010
3200122212001000012111102022211
4200112302001313231103302
5122122443104020043232
61222353040102322334
741655024605336611
oct4026620167552362
9618761005442284
10142303035315442
114138441866a791
1213b633467293aa
1361531708a13c1
14271d70a079878
15116b966395a47
hex816c81ded4f2

142303035315442 has 4 divisors (see below), whose sum is σ = 213454552973166. Its totient is φ = 71151517657720.

The previous prime is 142303035315439. The next prime is 142303035315449. The reversal of 142303035315442 is 244513530303241.

142303035315442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 100439301407481 + 41863733907961 = 10021941^2 + 6470219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142303035315395 and 142303035315404.

It is not an unprimeable number, because it can be changed into a prime (142303035315449) 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 as a sum of consecutive naturals, namely, 35575758828859 + ... + 35575758828862.

Almost surely, 2142303035315442 is an apocalyptic number.

142303035315442 is a deficient number, since it is larger than the sum of its proper divisors (71151517657724).

142303035315442 is an equidigital number, since it uses as much as digits as its factorization.

142303035315442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71151517657723.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 142303035315442 its reverse (244513530303241), we get a palindrome (386816565618683).

The spelling of 142303035315442 in words is "one hundred forty-two trillion, three hundred three billion, thirty-five million, three hundred fifteen thousand, four hundred forty-two".

Divisors: 1 2 71151517657721 142303035315442