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142202140442 = 2530313407707
BaseRepresentation
bin1000010001101111101…
…0000111011100011010
3111121001022102012112022
42010123322013130122
54312212221443232
6145154325214442
713162621151555
oct2043372073432
9447038365468
10142202140442
115534244591a
1223687261422
1310542b9298b
146c4dca569c
153a74212812
hex211be8771a

142202140442 has 8 divisors (see below), whose sum is σ = 213343449696. Its totient is φ = 71087657212.

The previous prime is 142202140433. The next prime is 142202140453. The reversal of 142202140442 is 244041202241.

It is a happy number.

142202140442 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 an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6693248 + ... + 6714459.

It is an arithmetic number, because the mean of its divisors is an integer number (26667931212).

Almost surely, 2142202140442 is an apocalyptic number.

142202140442 is a deficient number, since it is larger than the sum of its proper divisors (71141309254).

142202140442 is a wasteful number, since it uses less digits than its factorization.

142202140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13413012.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 142202140442 its reverse (244041202241), we get a palindrome (386243342683).

The spelling of 142202140442 in words is "one hundred forty-two billion, two hundred two million, one hundred forty thousand, four hundred forty-two".

Divisors: 1 2 5303 10606 13407707 26815414 71101070221 142202140442