Search a number
-
+
142210646042 = 2169941851279
BaseRepresentation
bin1000010001110001101…
…0100100000000011010
3111121001220102100000112
42010130122210000122
54312221411133132
6145155231404322
713163053355333
oct2043432440032
9447056370015
10142210646042
1155347225243
122368a0836a2
131054488028a
146c5107b28a
153a74d42ab2
hex211c6a401a

142210646042 has 8 divisors (see below), whose sum is σ = 213441528000. Its totient is φ = 71063470044.

The previous prime is 142210646027. The next prime is 142210646077. The reversal of 142210646042 is 240646012241.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20922242 + ... + 20929037.

It is an arithmetic number, because the mean of its divisors is an integer number (26680191000).

Almost surely, 2142210646042 is an apocalyptic number.

142210646042 is a deficient number, since it is larger than the sum of its proper divisors (71230881958).

142210646042 is a wasteful number, since it uses less digits than its factorization.

142210646042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41852980.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 142210646042 its reverse (240646012241), we get a palindrome (382856658283).

The spelling of 142210646042 in words is "one hundred forty-two billion, two hundred ten million, six hundred forty-six thousand, forty-two".

Divisors: 1 2 1699 3398 41851279 83702558 71105323021 142210646042