Search a number
-
+
142042231345 = 574786347861
BaseRepresentation
bin1000010001001001100…
…0000111001000110001
3111120122011111222111011
42010102120013020301
54311400302400340
6145130413550521
713155640021360
oct2042230071061
9446564458434
10142042231345
1155270155843
12236417a5441
1310518a04701
146c3695b7d7
153a651770ea
hex2112607231

142042231345 has 16 divisors (see below), whose sum is σ = 198945474048. Its totient is φ = 95328037440.

The previous prime is 142042231339. The next prime is 142042231351. The reversal of 142042231345 is 543132240241.

It is an interprime number because it is at equal distance from previous prime (142042231339) and next prime (142042231351).

It is not a de Polignac number, because 142042231345 - 23 = 142042231337 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 43172286 + ... + 43175575.

It is an arithmetic number, because the mean of its divisors is an integer number (12434092128).

Almost surely, 2142042231345 is an apocalyptic number.

It is an amenable number.

142042231345 is a deficient number, since it is larger than the sum of its proper divisors (56903242703).

142042231345 is an equidigital number, since it uses as much as digits as its factorization.

142042231345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86347920.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 142042231345 its reverse (543132240241), we get a palindrome (685174471586).

The spelling of 142042231345 in words is "one hundred forty-two billion, forty-two million, two hundred thirty-one thousand, three hundred forty-five".

Divisors: 1 5 7 35 47 235 329 1645 86347861 431739305 604435027 3022175135 4058349467 20291747335 28408446269 142042231345