Search a number
-
+
142402033042 = 271201016521
BaseRepresentation
bin1000010010011111010…
…0101001010110010010
3111121120020112210121221
42010213310221112102
54313114410024132
6145230225435254
713200566211043
oct2044764512622
9447506483557
10142402033042
1155435265115
122372219bb2a
1310575410119
146c6c65a8ca
153a86a49e97
hex2127d29592

142402033042 has 4 divisors (see below), whose sum is σ = 213603049566. Its totient is φ = 71201016520.

The previous prime is 142402033021. The next prime is 142402033049. The reversal of 142402033042 is 240330204241.

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: 240330204241 = 1781691348889.

It can be written as a sum of positive squares in only one way, i.e., 100438920241 + 41963112801 = 316921^2 + 204849^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142402032998 and 142402033016.

It is not an unprimeable number, because it can be changed into a prime (142402033049) 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 as a sum of consecutive naturals, namely, 35600508259 + ... + 35600508262.

Almost surely, 2142402033042 is an apocalyptic number.

142402033042 is a deficient number, since it is larger than the sum of its proper divisors (71201016524).

142402033042 is an equidigital number, since it uses as much as digits as its factorization.

142402033042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71201016523.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 142402033042 its reverse (240330204241), we get a palindrome (382732237283).

The spelling of 142402033042 in words is "one hundred forty-two billion, four hundred two million, thirty-three thousand, forty-two".

Divisors: 1 2 71201016521 142402033042